B1 noun #8 most common 15 min read

koozie

A koozie is a simple thing. It is a cover for your drink. You use it for a cold can of soda or beer. It is made of soft foam or rubber. When the weather is hot, your hand stays dry. The drink stays cold for a long time. You can see them at a picnic or a beach. They have many colors like red, blue, or green. You put the can inside the koozie. It is easy to use. People like them because they are cheap and useful. You can say, 'I have a blue koozie.' Or you can ask, 'Where is my koozie?' It is a fun word to say. It sounds like 'koo-zee.' Many people in America use this word. It is not for hot coffee. It is only for cold drinks in cans or bottles. If you go to a party, you might see many koozies. They help you know which drink is yours. You can write your name on some koozies. They are very light and you can carry them in your bag. They are great for summer days.
A koozie is a special sleeve that you put around a cold drink. It is usually made of foam or a material called neoprene. Its main job is to keep your drink cold when it is hot outside. It also stops water from forming on the outside of the can. This water is called condensation. Without a koozie, your hand gets wet and cold. With a koozie, your hand stays dry and comfortable. You will hear this word often at casual events like barbecues or sports games. Many companies give them away for free with their logo on them. You might get one at a fair or a festival. It is a very common item in the United States. In other countries, they might have different names, but 'koozie' is the most popular name in America. You can find koozies for cans and also for glass bottles. Some have zippers to fit the bottle perfectly. They are very useful for outdoor activities like camping or going to the lake. If you are planning a party, you can buy many koozies so your guests can keep their drinks cold.
A koozie is an insulating sleeve designed to fit over a beverage container, such as a can or a bottle. It is typically made from foam or neoprene, which are materials that do not conduct heat well. This means the koozie keeps the heat from the air and your hand away from the cold drink. It is a very practical tool for summer weather. One of the best things about a koozie is that it prevents 'sweating' on the can. This 'sweat' is actually moisture from the air turning into liquid on the cold surface. By using a koozie, you keep your hands and surfaces dry. The word 'koozie' started as a brand name, but now almost everyone uses it to describe any kind of drink sleeve. You will hear it most often in informal settings. For example, at a 'tailgate' party before a football game, people always use koozies. They are also popular as souvenirs from weddings or vacations. You can find them in many different styles, including some that are collapsible so they can fit in your pocket. Using a koozie is a sign that you are prepared for a relaxing time outdoors.
A koozie is a thermal insulator specifically engineered to maintain the temperature of chilled beverages. Most koozies are constructed from neoprene—the same synthetic rubber used in diving suits—or high-density foam. These materials work by creating a barrier that minimizes heat transfer through conduction and radiation. Furthermore, the koozie significantly reduces the rate of condensation, which is a major factor in how quickly a drink warms up. In American culture, the koozie is more than just a tool; it is a staple of social gatherings like barbecues, beach outings, and sporting events. The term is a classic example of a generic trademark, where a specific brand name has come to represent the entire category of products. While the Radio Cap Company originally trademarked the name, it is now used universally in the US. In Australia, you would refer to this item as a 'stubby holder.' Koozies are frequently used as promotional merchandise because they are inexpensive, durable, and provide a large surface area for logos or slogans. Whether you are at a casual backyard get-together or a large-scale music festival, the koozie is a ubiquitous accessory for anyone enjoying a cold drink in the sun.
The koozie is a ubiquitous beverage insulator that has become a cultural icon of American leisure. Functionally, it serves as a portable heat sink, utilizing the low thermal conductivity of materials like neoprene or closed-cell foam to preserve the chilled state of a beverage. By insulating the container, the koozie mitigates the impact of ambient thermal energy and prevents the formation of condensation, which can lead to slippery grips and water damage on surfaces. From a linguistic perspective, 'koozie' is a fascinating case of a proprietary eponym. Much like 'Kleenex' or 'Band-Aid,' the brand name has transcended its corporate origins to become the standard noun in the American lexicon. Its usage is predominantly informal, signaling a relaxed, recreational atmosphere. You'll find it deeply embedded in the vernacular of tailgating, camping, and coastal vacationing. Interestingly, the koozie also serves a social function as a 'drink marker,' allowing individuals to distinguish their beverage from others in a group setting. In recent years, the market has seen an influx of 'premium' koozies—vacuum-insulated stainless steel sleeves that offer superior thermal retention compared to traditional foam. Despite these technological advancements, the classic, squishy foam koozie remains a beloved and essential component of the casual social landscape.
The koozie represents a quintessential intersection of thermodynamics and American social ritual. As a beverage insulator, its efficacy is rooted in the principles of thermal resistance, specifically designed to impede the transfer of caloric energy from the environment to the chilled liquid. By providing a layer of insulation with low thermal diffusivity, the koozie effectively maintains the beverage's temperature while simultaneously addressing the nuisance of latent heat release during the phase change of atmospheric water vapor into condensation. Beyond its physical utility, the koozie functions as a potent cultural signifier of informality and communal relaxation. Its status as a genericized trademark reflects a broader linguistic trend where commercial success leads to the erosion of brand specificity in favor of general utility. The term's regional variations—such as the Australian 'stubby holder'—highlight the localized adaptations of this global beverage-cooling phenomenon. In the contemporary consumer landscape, the koozie has evolved from a simple foam cylinder into a diverse array of specialized accessories, ranging from collapsible neoprene sleeves for artisanal cans to sophisticated, double-walled vacuum-sealed vessels. Its enduring popularity in promotional marketing underscores its value as a durable, functional object that occupies a permanent place in the domestic and recreational spheres. To master the use of 'koozie' is to understand a specific slice of Anglophone social life, where the preservation of a cold drink is both a practical necessity and a hallmark of the leisure class.

koozie in 30 Seconds

  • A koozie is a portable thermal insulator, typically made of foam or neoprene, used to keep canned or bottled drinks cold in warm weather.
  • It serves the dual purpose of maintaining beverage temperature and preventing condensation from making the user's hand wet or slippery during use.
  • The term is a genericized trademark in the United States, widely used in casual social settings like barbecues, tailgates, and beach outings.
  • Available in various designs and sizes, koozies are popular promotional items and souvenirs due to their utility, durability, and ease of customization.

The term koozie refers to a ubiquitous accessory in casual social settings, primarily designed to serve as a thermal insulator for beverage containers. At its core, a koozie is a sleeve, typically manufactured from synthetic materials like neoprene or flexible foam, that snugly fits around a standard twelve-ounce can or a glass bottle. The primary functional objective of a koozie is twofold: first, it acts as a barrier to heat transfer, significantly slowing the rate at which a chilled beverage warms up when exposed to ambient air or the heat from a person's hand. Second, it serves a practical ergonomic purpose by absorbing the condensation that naturally forms on the exterior of a cold container in humid environments, thereby ensuring the user's hand remains dry and the grip remains secure.

Material Composition
Most modern koozies are constructed from neoprene, the same material used in wetsuits, which provides excellent insulation and durability. Cheaper versions are often made from open-cell or closed-cell foam, which is lightweight and highly compressible.

At the backyard barbecue, Mark handed me a cold soda protected by a bright blue koozie to keep it from sweating in the summer heat.

The word itself has evolved into a generic trademark. Originally, 'Koozie' was a brand name owned by the Radio Cap Company (RCC), but over decades of widespread use in the United States and beyond, it has become the standard term for any drink insulator, regardless of the manufacturer. In other parts of the world, such as Australia, the device is more commonly known as a 'stubby holder,' reflecting local terminology for small beer bottles. The cultural footprint of the koozie is particularly large in American 'tailgating' culture—the practice of hosting social gatherings around the open tailgates of vehicles before sporting events or concerts. In these contexts, koozies are often customized with team logos, wedding dates, or corporate branding, making them popular promotional items and souvenirs.

Social Context
Koozies are almost exclusively used in informal settings. You will find them at beach parties, camping trips, and casual outdoor dinners, but they are rarely seen at formal events like black-tie galas or high-end restaurants.

The wedding guests were delighted to receive a personalized koozie as a party favor, featuring the couple's names and the date of the ceremony.

Beyond the standard cylindrical shape, koozies have diversified into various forms. There are 'slim' koozies designed for tall, narrow seltzer cans, 'bottle' koozies that zip up to cover the neck of a glass bottle, and even magnetic koozies that allow a user to stick their drink to a metal surface like a refrigerator or a truck fender. This versatility ensures that no matter the beverage choice, there is an insulating solution available. The tactile experience of a koozie is also worth noting; the soft, slightly squishy texture provides a comfortable grip that prevents the 'freezing' sensation one might feel when holding an ice-cold aluminum can for an extended period.

Environmental Impact
Because they are reusable and durable, koozies are often seen as a more sustainable alternative to disposable coasters or napkins used to wipe away condensation.

I always keep a spare koozie in my glove box so that I am prepared for any spontaneous picnic or outdoor gathering.

The tech company handed out branded koozies at the trade show to ensure their logo would be seen at every summer party.

He slipped the cold beer into a camouflage-patterned koozie before heading out to the campfire.

Using the word koozie in a sentence requires an understanding of its role as a concrete noun. It typically functions as the direct object of a verb (e.g., 'to use a koozie', 'to grab a koozie') or as the object of a preposition (e.g., 'in a koozie', 'with a koozie'). Because it is a count noun, it must be preceded by an article (a, an, the) or a possessive pronoun (my, your, his) when used in the singular form. In plural usage, 'koozies' is the standard form. The word is most frequently paired with verbs related to movement, placement, or temperature maintenance.

Common Verb Pairings
Verbs like 'slide,' 'slip,' 'fit,' 'tuck,' and 'insert' are commonly used to describe the action of putting a drink into the insulator. For example: 'Please slide your soda into this koozie.'

She reached into the kitchen drawer to find a koozie that would match her outfit for the beach party.

When describing the attributes of a koozie, adjectives related to material, color, and function are most appropriate. You might hear someone describe a 'neoprene koozie,' a 'collapsible koozie,' or a 'personalized koozie.' Because the word is informal, it is often found in dialogue and casual narratives. In more formal writing, one might substitute it with 'beverage insulator' or 'can cooler,' though 'koozie' is so widely recognized that it is rarely considered 'slang' in the traditional sense; rather, it is a specific cultural term. It is also important to note the spelling variations; while 'koozie' is the most common, you may occasionally see 'coozie' or 'cosy,' though the latter usually refers to a tea cozy.

Prepositional Usage
The preposition 'in' is the most common choice when referring to the state of the drink: 'The beer is in the koozie.' The preposition 'with' is used when the koozie is an accessory: 'He arrived with a koozie in his pocket.'

Without a koozie, the ice-cold water bottle quickly became slippery and difficult to hold.

In complex sentences, 'koozie' can be part of a compound subject or object. For instance, 'The cooler was filled with ice, drinks, and several colorful koozies.' It can also be used in a possessive sense, though this is less common: 'The koozie's insulation was surprisingly effective.' When teaching this word to learners, it is helpful to emphasize the 'oo' sound (as in 'food') and the 'z' sound, which distinguishes it from 'cozy' (with an 's' sound). The word can also be used metaphorically in very niche contexts to describe something that provides protection or insulation, though this is rare and usually humorous.

Adjective Placement
Adjectives always precede the noun: 'a thick foam koozie,' 'a vintage koozie,' 'a promotional koozie.'

Even though it was nearly ninety degrees outside, my drink stayed refreshing thanks to the high-quality koozie I was using.

The souvenir shop sold a variety of koozies featuring local landmarks and funny slogans.

He lost his favorite koozie at the football stadium and was surprisingly upset about it.

You are most likely to encounter the word koozie in the United States, particularly in the South and Midwest, where outdoor social culture is deeply ingrained. It is a staple of the American summer. If you attend a 'tailgate' party—a gathering in a stadium parking lot before a football game—you will hear the word constantly. Fans will ask, 'Hey, do you have an extra koozie?' or 'Which koozie is mine?' because the insulators also serve as a way to identify whose drink is whose in a crowded setting. The word is also very common at backyard barbecues, pool parties, and while camping or boating.

Regional Variations
While 'koozie' is the dominant term in the US, you will hear 'stubby holder' in Australia and New Zealand. In parts of the UK, people might just say 'can sleeve' or 'cooler,' though the item is less culturally central there.

During the music festival, the merchandise stand was selling a limited-edition koozie for ten dollars.

Another major venue for the word is the world of promotional marketing. Companies frequently give away koozies at trade shows, career fairs, and community events because they are inexpensive to produce and highly likely to be used by the recipient. Therefore, you might hear someone say, 'I got this koozie for free from my insurance agent.' Similarly, koozies are a very popular 'party favor' for weddings. If you attend a wedding in a rural or suburban American setting, you might hear the bride or groom mention the 'custom koozies' they ordered for the guests. The word also appears frequently in online retail descriptions, particularly on sites like Etsy or Amazon, where people search for specific designs.

Media and Pop Culture
You will see koozies in movies and TV shows that depict casual American life, such as 'King of the Hill' or various sitcoms set in the suburbs. They are visual shorthand for a relaxed, informal atmosphere.

'Pass me that koozie over there,' said Tom as he opened a fresh can of ginger ale by the lake.

In the context of sports broadcasting, especially during hot weather games, commentators might occasionally mention fans using koozies to stay cool. In the craft beer community, koozies have seen a resurgence in popularity. Many small breweries sell high-end, aesthetically pleasing koozies that fit their specific bottle or can sizes. You might hear a beer enthusiast say, 'This IPA really needs a koozie to stay at the right temperature while I'm outside.' Ultimately, the word is a marker of leisure time. It is rarely heard in an office, a school, or a place of worship, unless the conversation has turned toward weekend plans or upcoming vacations.

Boating and Fishing
Among boaters and anglers, koozies are essential. They prevent drinks from sliding on wet surfaces and keep them cold under the direct sun.

The fisherman's koozie was covered in salt spray, but his drink remained perfectly chilled.

I found an old koozie from my college days at the bottom of the camping gear bin.

She bought a glittery koozie to use during the bachelorette party weekend.

While koozie is a relatively simple word, there are several common mistakes that English learners and even native speakers make. The most frequent error is a spelling confusion between 'koozie' and 'cozy.' While they are phonetically similar and share an etymological root, they refer to different things. A 'cozy' (or 'cosy' in British English) is typically a knitted cover for a teapot, used to keep tea warm. Using 'cozy' to refer to a drink insulator is technically incorrect in American English, though people will likely understand you. Another spelling variation to avoid is 'koozy' or 'coozie,' which, while sometimes used, are less standard than the 'ie' ending.

Pronunciation Pitfalls
Some learners pronounce the 'oo' like the 'u' in 'look' or 'book.' It should be a long 'oo' sound, as in 'moon' or 'smooth.' Additionally, the 'z' should be voiced, not a soft 's' sound.

Incorrect: I put my tea in a koozie to keep it hot. (Correct: A koozie is primarily for cold drinks; use a 'cozy' or 'sleeve' for hot ones.)

A functional mistake involves the intended use of the item. Koozies are designed for cold beverages. While they provide insulation, they are not typically used for hot coffee or tea because the materials (neoprene and foam) are optimized for preventing condensation and slow heat gain, and they may not withstand the high temperatures of boiling liquids as well as a cardboard 'coffee sleeve' would. Furthermore, using a koozie on a container that is significantly larger or smaller than the standard 12oz size can lead to it slipping off or tearing. It is important to match the koozie to the container type (e.g., using a 'slim' koozie for a hard seltzer can).

Register Errors
Using the word 'koozie' in a formal business report or a scientific paper about thermodynamics might be seen as too informal. In those cases, 'beverage insulator' is the preferred term.

Incorrect: He bought a koozie for his wine glass. (Correct: While they exist, koozies are usually for cans/bottles; wine insulators are often called 'chillers' or 'wraps'.)

Finally, there is the 'trademark' mistake. Technically, 'Koozie' is a registered trademark of BIC Graphic (formerly RCC). In a professional or legal context, using the word to describe a competitor's product could lead to issues. However, in everyday speech, this is almost never a concern. For learners, the biggest hurdle is often just remembering the word itself, as it is a very specific piece of vocabulary that doesn't have a direct equivalent in many other languages. Many people simply call it a 'holder' or 'cooler,' which is fine but lacks the specific cultural flavor of the word 'koozie.'

Confusing with 'Cousin'
For some non-native speakers, 'koozie' can sound slightly like 'cousin' if the 'n' is dropped or the 'z' is mispronounced. Ensure the final 'ee' sound is clear.

The waiter looked confused when I asked for a koozie at the five-star restaurant; I should have known better.

Don't try to wash your foam koozie in the dishwasher; it might melt or lose its shape.

He mistakenly called the cardboard coffee sleeve a koozie, which gave away that he was new to the language.

If you find yourself in a situation where you cannot remember the word koozie, or if you are in a region where it is not used, there are several alternatives. The most common generic term is 'can cooler.' This is descriptive and universally understood. Another frequent alternative is 'beverage insulator,' which sounds more technical and is often used in product catalogs. In Australia and New Zealand, as previously mentioned, the term 'stubby holder' is the only one you will likely hear. A 'stubby' is a short, 375ml bottle of beer, and the holder is the koozie equivalent.

Koozie vs. Cozy
A 'koozie' is for cold cans/bottles, usually made of neoprene. A 'cozy' is for teapots or mugs, usually made of knitted wool. They serve the same thermodynamic purpose but for opposite temperature goals.

If you don't have a koozie, a thick paper towel wrapped around the can is a decent temporary substitute.

Another related term is 'sleeve.' This is a broader category that includes the cardboard wraps used for hot coffee (often called 'coffee sleeves' or 'java jackets'). While a koozie is a type of sleeve, not all sleeves are koozies. For example, you wouldn't call a laptop protective case a koozie, even though it's also a sleeve made of neoprene. There are also 'bottle jackets,' which usually feature a zipper and are designed specifically for glass bottles. In some slang contexts, you might hear people refer to them as 'beer jackets' or 'drink skins,' though these are much less common than the standard term.

Stubby Holder (AU/NZ)
This is the direct equivalent of a koozie in the Southern Hemisphere. It is a point of national pride in Australia and is used just as frequently as the koozie is in the US.

The Australian tourist asked if the shop sold 'stubby holders,' and the American clerk eventually realized he meant koozies.

For those interested in the technical side, 'thermal wrap' or 'insulating wrap' are terms used in industrial or outdoor gear contexts. If you are talking about a large insulator for a keg of beer, you would call it a 'keg parka' or 'keg jacket.' The variety of names reflects the item's utility across different cultures and beverage types. However, for a learner focusing on American English, 'koozie' remains the most important and useful term to master for casual social interactions. It carries a connotation of fun, relaxation, and preparedness for a good time.

Comparison Table
Koozie: US/Casual/Cold. Stubby Holder: AU/Casual/Cold. Coffee Sleeve: Universal/Hot. Beverage Insulator: Formal/Retail.

I prefer the neoprene koozie over the foam ones because it lasts longer and fits better in my cup holder.

The promotional 'can cooler' was actually a very high-quality koozie that I still use today.

She knitted a custom koozie for her water bottle, though it looked more like a tiny sweater.

How Formal Is It?

Formal

"The guests were provided with high-quality beverage insulators to ensure their refreshments remained chilled throughout the outdoor ceremony."

Neutral

"Please use a koozie for your soda so that it doesn't leave a water ring on the wooden table."

Informal

"Hey, toss me a koozie from the cooler, would you?"

Child friendly

"Put this soft sleeve on your juice can so it stays cold and your hands don't get too chilly!"

Slang

"Yo, check out this sick magnetic koozie; I can stick my brew right to the truck!"

Fun Fact

The original koozie was actually a thick, non-collapsible foam cylinder. The collapsible neoprene versions we see today were a later innovation that made the product much more portable.

Pronunciation Guide

UK /ˈkuːzi/
US /ˈkuːzi/
The stress is on the first syllable: KOO-zie.
Rhymes With
boozy doozy floozy newsy choosey bluesy woozy jacuzzi
Common Errors
  • Pronouncing the 'oo' like the 'u' in 'pull'. It should be a long 'oo'.
  • Using a soft 's' sound instead of a voiced 'z' sound.
  • Shortening the final 'ie' sound too much.
  • Confusing it with the word 'cozy' (which has a different vowel sound in some dialects).
  • Adding an 'n' sound at the end (confusing it with 'cousin').

Difficulty Rating

Reading 2/5

The word is easy to recognize in context but rare in formal literature.

Writing 3/5

Spelling can be tricky due to the 'oo' and 'z' sounds.

Speaking 2/5

Simple two-syllable word with a clear stress pattern.

Listening 3/5

Can be confused with 'cozy' or 'cousin' in fast speech.

What to Learn Next

Prerequisites

cold drink sleeve foam insulate

Learn Next

condensation thermal genericized trademark tailgate

Advanced

thermodynamics neoprene proprietary eponym latent heat conduction

Grammar to Know

Generic Trademarks

Using 'koozie' (a brand) as a common noun like 'can cooler'.

Count Nouns

I have *a* koozie (singular) vs. I have koozies (plural).

Compound Adjectives

A *neoprene-lined* koozie.

Noun as Adjective

A *foam* koozie (where 'foam' describes the material).

Prepositional Phrases of Purpose

A koozie *for keeping drinks cold*.

Examples by Level

1

I have a red koozie for my soda.

J'ai un koozie rouge pour mon soda.

Use 'a' before 'koozie' because it is a count noun.

2

Is this your koozie?

Est-ce que c'est ton koozie ?

Question form with 'is' and a possessive pronoun.

3

The koozie is on the table.

Le koozie est sur la table.

Definite article 'the' refers to a specific koozie.

4

I like my blue koozie.

J'aime mon koozie bleu.

Subject-Verb-Object structure.

5

Put the can in the koozie.

Mets la canette dans le koozie.

Imperative sentence (a command).

6

A koozie keeps the drink cold.

Un koozie garde la boisson froide.

Present simple for a general fact.

7

We have many koozies for the party.

Nous avons beaucoup de koozies pour la fête.

Plural form 'koozies'.

8

My hand is dry because of the koozie.

Ma main est sèche à cause du koozie.

Using 'because of' to show reason.

1

He forgot his koozie at the beach yesterday.

Il a oublié son koozie à la plage hier.

Past simple tense 'forgot'.

2

You should use a koozie so your drink stays cold.

Tu devrais utiliser un koozie pour que ta boisson reste froide.

Using 'should' for advice.

3

This koozie is made of soft foam.

Ce koozie est fait de mousse souple.

Passive voice 'is made of'.

4

I bought a new koozie with a funny picture on it.

J'ai acheté un nouveau koozie avec une image amusante dessus.

Prepositional phrase 'with a funny picture'.

5

Can I borrow a koozie for my water bottle?

Puis-je emprunter un koozie pour ma bouteille d'eau ?

Polite request with 'Can I borrow'.

6

The koozie prevents the can from sweating.

Le koozie empêche la canette de transpirer.

Verb 'prevents' followed by 'from'.

7

There are several koozies in the kitchen drawer.

Il y a plusieurs koozies dans le tiroir de la cuisine.

Using 'there are' for plural existence.

8

She gave me a koozie as a gift.

Elle m'a donné un koozie en cadeau.

Indirect object 'me' and direct object 'a koozie'.

1

If it's hot outside, a koozie is essential for keeping your soda chilled.

S'il fait chaud dehors, un koozie est essentiel pour garder ton soda frais.

First conditional structure.

2

I prefer using a neoprene koozie because it fits more snugly than foam.

Je préfère utiliser un koozie en néoprène car il s'ajuste mieux que la mousse.

Comparative 'more snugly than'.

3

We received personalized koozies as favors at my cousin's wedding.

Nous avons reçu des koozies personnalisés comme cadeaux au mariage de mon cousin.

Adjective 'personalized' modifying the noun.

4

He slipped the cold beer into a koozie before heading out to the grill.

Il a glissé la bière froide dans un koozie avant d'aller au barbecue.

Prepositional phrase 'before heading out'.

5

The koozie was covered in logos from various local breweries.

Le koozie était couvert de logos de diverses brasseries locales.

Past passive 'was covered in'.

6

Does anyone know where the collapsible koozies are stored?

Est-ce que quelqu'un sait où sont rangés les koozies pliables ?

Indirect question within a direct question.

7

Without a koozie, your hand will get cold very quickly.

Sans koozie, ta main va se refroidir très vite.

Future tense 'will get' for a prediction.

8

She always keeps a spare koozie in her bag just in case.

Elle garde toujours un koozie de rechange dans son sac au cas où.

Adverb 'always' and phrase 'just in case'.

1

The koozie's primary function is to minimize heat transfer from the hand to the beverage.

La fonction principale du koozie est de minimiser le transfert de chaleur de la main à la boisson.

Possessive 'koozie's' used with an abstract noun 'function'.

2

Many people use koozies as a way to identify their own drink at a crowded party.

Beaucoup de gens utilisent des koozies comme moyen d'identifier leur propre boisson lors d'une fête bondée.

Infinitive of purpose 'to identify'.

3

The company distributed branded koozies as a cost-effective marketing strategy.

L'entreprise a distribué des koozies de marque comme stratégie marketing rentable.

Compound adjective 'cost-effective'.

4

Despite being a trademarked name, 'koozie' is used generically by most Americans.

Bien qu'il s'agisse d'un nom déposé, 'koozie' est utilisé de manière générique par la plupart des Américains.

Concession clause starting with 'Despite'.

5

I found a vintage koozie from the 1980s at a local thrift store.

J'ai trouvé un koozie vintage des années 1980 dans une friperie locale.

Noun phrase with multiple modifiers.

6

The koozie was so thick that it barely fit into the car's cup holder.

Le koozie était si épais qu'il rentrait à peine dans le porte-gobelet de la voiture.

Result clause 'so... that'.

7

Using a koozie is a simple way to prevent water rings on your wooden furniture.

Utiliser un koozie est un moyen simple d'éviter les traces d'eau sur vos meubles en bois.

Gerund 'Using' as the subject of the sentence.

8

He has a collection of koozies from every stadium he has ever visited.

Il a une collection de koozies de chaque stade qu'il a visité.

Present perfect 'has ever visited'.

1

The thermal properties of the koozie ensure that the beverage remains at an optimal temperature for longer.

Les propriétés thermiques du koozie garantissent que la boisson reste à une température optimale plus longtemps.

Complex subject 'The thermal properties of the koozie'.

2

In the absence of a koozie, the condensation on the can quickly becomes a nuisance.

En l'absence de koozie, la condensation sur la canette devient rapidement une nuisance.

Prepositional phrase 'In the absence of'.

3

The genericization of the term 'koozie' is a testament to the product's widespread popularity.

La généricisation du terme 'koozie' témoigne de la popularité généralisée du produit.

Abstract noun 'genericization' as the subject.

4

She opted for a magnetic koozie, which allowed her to attach her drink to the side of the grill.

Elle a opté pour un koozie magnétique, ce qui lui a permis de fixer sa boisson sur le côté du barbecue.

Non-defining relative clause starting with 'which'.

5

The koozie serves as a tactile barrier, protecting the hand from the discomfort of an ice-cold container.

Le koozie sert de barrière tactile, protégeant la main de l'inconfort d'un récipient glacé.

Participle phrase 'protecting the hand'.

6

While often overlooked, the koozie is a staple of American outdoor recreational culture.

Bien que souvent négligé, le koozie est un élément de base de la culture récréative de plein air américaine.

Passive participle 'overlooked' in a concession clause.

7

The promotional koozie featured an intricate design that highlighted the company's commitment to detail.

Le koozie promotionnel présentait un design complexe qui soulignait l'engagement de l'entreprise envers le détail.

Relative clause 'that highlighted...'.

8

The durability of neoprene koozies makes them a preferred choice for frequent travelers.

La durabilité des koozies en néoprène en fait un choix privilégié pour les voyageurs fréquents.

Subject-verb agreement with the collective noun 'durability'.

1

The koozie's efficacy as an insulator is predicated on the low thermal conductivity of its constituent materials.

L'efficacité du koozie en tant qu'isolant repose sur la faible conductivité thermique de ses matériaux constitutifs.

Use of 'predicated on' for a formal logical basis.

2

One might argue that the koozie is a quintessential artifact of late-20th-century American consumerism.

On pourrait soutenir que le koozie est un artefact quintessentiel de la consommation américaine de la fin du XXe siècle.

Subjunctive mood 'One might argue'.

3

The pervasive use of the koozie in tailgating rituals underscores its role as a social lubricant.

L'utilisation omniprésente du koozie dans les rituels de tailgating souligne son rôle de lubrifiant social.

Metaphorical use of 'social lubricant'.

4

By mitigating the effects of ambient humidity, the koozie prevents the deleterious accumulation of condensation.

En atténuant les effets de l'humidité ambiante, le koozie empêche l'accumulation délétère de condensation.

Use of high-level vocabulary like 'mitigating' and 'deleterious'.

5

The transition of 'koozie' from a proprietary brand to a generic noun illustrates a significant linguistic shift.

La transition de 'koozie' d'une marque déposée à un nom générique illustre un changement linguistique significatif.

Complex noun phrase as the subject.

6

The koozie's tactile appeal often stems from the pliable nature of high-grade neoprene.

L'attrait tactile du koozie provient souvent de la nature malléable du néoprène de haute qualité.

Verb 'stems from' to indicate origin.

7

In the realm of promotional merchandise, the koozie remains unparalleled in its utility and visibility.

Dans le domaine de la marchandise promotionnelle, le koozie reste inégalé dans son utilité et sa visibilité.

Prepositional phrase 'In the realm of'.

8

The aesthetic evolution of the koozie reflects broader trends in graphic design and personal expression.

L'évolution esthétique du koozie reflète des tendances plus larges dans le design graphique et l'expression personnelle.

Abstract subject 'The aesthetic evolution of the koozie'.

Common Collocations

neoprene koozie
personalized koozie
collapsible koozie
magnetic koozie
branded koozie
foam koozie
slim koozie
wedding koozie
promotional koozie
camo koozie

Common Phrases

grab a koozie

extra koozie

custom koozie

koozie collection

slip on a koozie

keep it in a koozie

branded with a koozie

koozie weather

lost my koozie

matching koozies

Often Confused With

koozie vs cozy

A 'cozy' is usually for a teapot and is knitted. A 'koozie' is for a can and is foam/neoprene.

koozie vs cousin

Phonetically similar to some non-native speakers, but unrelated in meaning.

koozie vs cozily

An adverb meaning in a comfortable way; unrelated to the beverage accessory.

Idioms & Expressions

"cool as a koozie"

A playful variation of 'cool as a cucumber,' meaning very relaxed.

He was sitting on the porch, cool as a koozie, watching the storm pass.

informal

"in the koozie"

Metaphorically, to be in a safe or protected state (rare).

Once the deal is signed, we'll be in the koozie.

slang

"koozie up"

To prepare for a casual, relaxed time (very informal).

Let's koozie up and head to the lake for the weekend.

slang

"the koozie of life"

Something that makes a difficult situation more comfortable (humorous).

A good sense of humor is the koozie of life.

humorous

"don't lose your koozie"

Stay calm; don't lose your cool (playful).

Hey, don't lose your koozie over a small mistake like that.

informal

"wrapped in a koozie"

Being overly protected or sheltered.

He's lived his whole life wrapped in a koozie; he doesn't know what it's like to struggle.

metaphorical

"koozie logic"

Simple, common-sense thinking used in casual situations.

That's just koozie logic: if it's hot, keep your drink covered.

informal

"bottom of the koozie"

The very end of a relaxing period or a drink.

We've reached the bottom of the koozie on this vacation; time to go home.

informal

"koozie king"

Someone who always has the best accessories for a party.

Dave is the koozie king; he has one for every possible can size.

informal

"a koozie for every can"

Being prepared for every eventuality.

She has a koozie for every can; her organization is impressive.

informal

Easily Confused

koozie vs cozy

Similar sound and both involve insulation.

A koozie is specifically for cold drinks in cans/bottles, while a cozy is for hot teapots or general comfort.

I put a koozie on my beer, but I felt cozy in my blanket.

koozie vs sleeve

A koozie is a type of sleeve.

A sleeve is a general term for any covering (clothing, laptop, coffee), whereas a koozie is specifically for cold drinks.

I put a koozie on the can and a cardboard sleeve on my hot coffee.

koozie vs cooler

Both keep things cold.

A cooler is a large box or bag for many drinks; a koozie is a small sleeve for one individual drink.

Take a beer from the cooler and put it in a koozie.

koozie vs tumbler

Both are used for drinking and insulation.

A tumbler is the actual cup you pour liquid into; a koozie is a cover you put *around* a can or bottle.

I poured my water into a tumbler, but I kept my soda in its can with a koozie.

koozie vs coaster

Both protect tables from moisture.

A coaster sits *under* the drink; a koozie wraps *around* the drink.

I don't need a coaster because my drink is already in a koozie.

Sentence Patterns

A1

I have a [color] koozie.

I have a green koozie.

A2

This koozie is for my [drink].

This koozie is for my soda.

B1

I use a koozie to keep my drink [adjective].

I use a koozie to keep my drink chilled.

B2

Without a koozie, the [noun] will [verb].

Without a koozie, the can will sweat.

C1

The [material] koozie provides [noun].

The neoprene koozie provides excellent insulation.

C2

The efficacy of the koozie is [adjective] by [noun].

The efficacy of the koozie is enhanced by its snug fit.

All

Can I have a koozie?

Can I have a koozie?

All

Where is the koozie?

Where is the koozie?

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Very high in US casual speech; low in formal/academic speech.

Common Mistakes
  • Spelling it 'cozy' when referring to a can holder. koozie

    While 'cozy' is the root word, 'koozie' is the specific term for the beverage accessory in American English.

  • Using a koozie for a hot cup of coffee. coffee sleeve

    Koozies are made of materials meant for cold insulation. Hot drinks require heat-resistant sleeves, usually made of cardboard.

  • Treating 'koozie' as an uncountable noun (e.g., 'I have some koozie'). I have some koozies.

    Koozie is a count noun and requires a plural 's' when referring to more than one.

  • Pronouncing it 'kuh-zie' (rhyming with 'buzz'). koo-zie (rhyming with 'newsy').

    The 'oo' must be a long vowel sound, like in 'food'.

  • Asking for a 'koozie' in an Australian bar. stubby holder

    While they might understand you, 'stubby holder' is the correct local term and will make communication much smoother.

Tips

Match the Size

Always ensure your koozie fits the container snugly. If it's too loose, it won't insulate effectively and the can might slip out.

The Perfect Favor

If you're hosting an outdoor event, providing koozies is a thoughtful touch that guests will appreciate, especially on a humid day.

Air Dry Only

After a day at the beach, rinse your koozie to remove salt or sand, but always let it air dry. High heat from a dryer can ruin the neoprene.

Pack a Collapsible

Collapsible neoprene koozies take up almost no space. Keep one in your suitcase for vacations; you'll be glad you have it at the hotel pool.

Mark Your Territory

In a large group, use a koozie with a distinct pattern. It's much easier to find 'the camo koozie' than 'the silver can'.

Beat the Humidity

Koozies are actually *more* useful in humid weather than dry weather because they stop the warming effect of condensation.

Stocking Stuffer

Koozies make excellent small gifts. Look for ones that reflect the recipient's hobbies, like fishing, sports, or a favorite movie.

Reduce Waste

Using a koozie is more environmentally friendly than using a bunch of paper napkins to wrap around a cold, wet can.

Better Grip

On a boat or near a pool, a koozie provides a non-slip grip, reducing the chance of dropping and breaking a glass bottle.

Cheap Branding

For small business owners, branded koozies are one of the most effective 'billboards' because people keep and use them for years.

Memorize It

Mnemonic

Think of a 'Cool-Z'—it keeps your drink 'Cool' and it's 'Easy' (Z) to use.

Visual Association

Imagine a soda can wearing a tiny, colorful wetsuit. That 'wetsuit' is the koozie.

Word Web

Drink Cold Summer Foam Neoprene Party Insulation Can

Challenge

Try to use the word 'koozie' in three different sentences describing an outdoor event you attended recently.

Word Origin

The word 'koozie' originated as a brand name for a product developed by the Radio Cap Company (RCC) in the early 1980s. It is believed to be a play on the word 'cozy,' which has been used for centuries to describe insulating covers, such as tea cozies.

Original meaning: A specific brand of foam beverage insulator.

English (Modern American)

Cultural Context

No major sensitivities, but be aware that it is a very informal term. Avoid in professional or high-end hospitality settings.

Primarily an American term. In Australia/NZ, use 'stubby holder'. In the UK, it is less common but understood as a 'can cooler'.

King of the Hill (TV Show) - Characters are often seen with drinks in koozies. The term appears in various country music songs celebrating summer and tailgating. Genericized trademark cases often cite 'Koozie' alongside 'Xerox' and 'Band-Aid'.

Practice in Real Life

Real-World Contexts

Backyard Barbecue

  • Where's the koozie bin?
  • I need a koozie for this beer.
  • That's a cool koozie!
  • Don't forget your koozie.

Beach Trip

  • The sand is getting in my koozie.
  • Keep your drink in a koozie so it stays cold in the sun.
  • I lost my koozie in the waves.
  • Is that a waterproof koozie?

Sporting Event / Tailgate

  • Go team! I love your team koozie.
  • Do they sell koozies at the merch stand?
  • Pass me a koozie from the truck.
  • My koozie matches my jersey.

Wedding Favor

  • The koozies have the couple's names on them.
  • What a great souvenir koozie!
  • I'm going to keep this koozie forever.
  • Did you get your wedding koozie yet?

Camping

  • A koozie is great for keeping bugs out of your can too.
  • I have a collapsible koozie in my backpack.
  • The koozie keeps my hand warm while the drink stays cold.
  • Don't leave your koozie by the fire.

Conversation Starters

"That's a really unique koozie; where did you get it?"

"Do you prefer the foam koozies or the neoprene ones?"

"I've started a collection of koozies from every state I visit; do you collect anything?"

"Is it just me, or does a drink actually taste better when it's in a koozie?"

"I forgot my koozie today; do you happen to have a spare one in your cooler?"

Journal Prompts

Describe the most memorable koozie you've ever owned. What event was it from, and why was it special?

Reflect on the concept of 'generic trademarks.' Why do you think words like 'koozie' or 'Kleenex' become so popular?

Imagine you are designing a custom koozie for a major event. What would it look like and what would it say?

Write about a time when a simple object, like a koozie, made a hot summer day much more enjoyable.

Compare the American 'koozie' with similar items in your own culture. Is there a specific tool people use for cold drinks?

Frequently Asked Questions

10 questions

Most koozies are made of either open-cell foam or neoprene. Neoprene is generally considered higher quality because it is more durable, flexible, and provides better insulation than basic foam. Some high-end versions are now made of stainless steel.

It was originally a brand name ('Koozie') owned by the Radio Cap Company. The name likely comes from the word 'cozy,' which refers to an insulating cover. Over time, the brand name became so popular that people started using it for all similar products.

Yes, koozies are very effective. They work by reducing heat transfer from the air and your hand to the drink. More importantly, they prevent condensation, which releases 'latent heat' that warms up a drink much faster than air alone.

While you *can* put a koozie on a hot container, they are not designed for it. Neoprene and foam are optimized for cold. For hot drinks like coffee, a cardboard sleeve or a ceramic mug is much better and safer.

Most koozies can be hand-washed with mild soap and water. It is best to air-dry them. Avoid putting foam koozies in the dishwasher or dryer, as the high heat can cause them to lose their shape or melt.

Yes, they are essentially the same product. 'Koozie' is the term used in the United States, while 'stubby holder' is the standard term in Australia and New Zealand. They both serve to insulate individual cold beverages.

Standard koozies fit 12oz (355ml) cans. However, there are now specialized koozies for 'slim' cans (like hard seltzers), 16oz 'tallboy' cans, and various sizes of glass bottles.

Koozies are popular wedding favors because they are inexpensive to customize, practical for guests to use during an outdoor reception, and serve as a long-lasting souvenir that guests will actually use at home.

Absolutely. At a party where everyone is drinking the same brand of soda or beer, having a unique or colorful koozie is the best way to make sure you don't accidentally drink from someone else's can.

It is considered informal, but it is not exactly slang. It is a 'genericized trademark.' In casual conversation, it is the standard word. In a professional business or scientific setting, you might use 'beverage insulator' instead.

Test Yourself 184 questions

writing

Describe what a koozie looks like and what it is used for in three sentences.

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writing

Explain the difference between a koozie and a tea cozy.

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writing

Why are koozies effective promotional items for businesses?

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writing

Write a short dialogue between two people at a barbecue where one person asks for a koozie.

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writing

Discuss the linguistic concept of a 'genericized trademark' using 'koozie' as an example.

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writing

Describe a situation where not having a koozie would be a problem.

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writing

What are the benefits of neoprene over foam for a koozie?

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writing

Write a promotional blurb for a new 'magnetic koozie'.

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writing

How does a koozie reflect American social culture?

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writing

Describe the physical sensation of holding a drink in a koozie.

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writing

What are some common designs you might see on a koozie?

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writing

Explain why a koozie is useful for a hiker.

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writing

Compare the terms 'koozie' and 'stubby holder'.

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writing

Write a set of instructions on how to use a koozie.

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writing

Discuss the environmental impact of using koozies.

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writing

Describe a 'slim koozie' and what it is used for.

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writing

Write a story about a 'lucky koozie'.

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writing

How has the koozie evolved technologically?

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writing

Why might someone collect koozies?

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writing

Describe the ideal koozie for a summer pool party.

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speaking

Pronounce the word 'koozie' clearly. Focus on the long 'oo' and the voiced 'z'.

Read this aloud:

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speaking

Tell a friend why they should use a koozie for their soda.

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speaking

Ask someone at a party if they have an extra koozie.

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speaking

Describe your favorite koozie design to a partner.

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speaking

Explain the concept of a 'stubby holder' to an American who has never heard the term.

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speaking

Roleplay: You are a salesperson at a souvenir shop. Convince a customer to buy a koozie.

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speaking

Discuss the pros and cons of foam vs. neoprene koozies.

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speaking

Give a short presentation on the history of the koozie.

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speaking

Explain how a koozie works using the term 'condensation'.

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speaking

Describe the most interesting koozie you've ever seen.

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speaking

Tell a story about a time you lost your koozie at an event.

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speaking

Argue for or against the use of koozies at a wedding.

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speaking

Explain why 'koozie' is a genericized trademark.

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speaking

Describe the tactile difference between a bare can and a koozie-clad can.

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speaking

What would you say if you wanted to borrow a koozie from a stranger?

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speaking

Explain the importance of a koozie for someone who has never used one.

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speaking

Discuss the variety of koozie sizes available today.

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speaking

How would you describe a koozie in a formal way?

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speaking

Talk about a koozie as a souvenir.

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speaking

Summarize the main points of why koozies are popular.

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listening

Listen to the sentence: 'I need a koozie for my soda.' What does the speaker need?

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listening

Listen to the sentence: 'The neoprene koozie is better than the foam one.' Which koozie is better?

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listening

Listen to the sentence: 'We ordered five hundred koozies for the event.' How many koozies were ordered?

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listening

Listen to the sentence: 'Is that a magnetic koozie on your truck?' Where is the koozie?

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listening

Listen to the sentence: 'The koozie prevented the table from getting water rings.' What did the koozie prevent?

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listening

Listen to the sentence: 'I found my old koozie in the glove box.' Where was the koozie found?

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listening

Listen to the sentence: 'She knitted a koozie for her favorite mug.' What did she do?

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listening

Listen to the sentence: 'The koozie is a genericized trademark.' What kind of trademark is it?

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listening

Listen to the sentence: 'Don't forget to grab a koozie before you head out.' What should you grab?

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listening

Listen to the sentence: 'The slim koozie fits the seltzer can perfectly.' What does the slim koozie fit?

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listening

Listen to the sentence: 'I prefer the camo koozie over the plain red one.' Which koozie does the speaker prefer?

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listening

Listen to the sentence: 'The koozie's insulation is surprisingly effective.' How is the insulation described?

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listening

Listen to the sentence: 'We received a koozie as a party favor.' What was the koozie?

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listening

Listen to the sentence: 'The koozie was covered in salt spray from the ocean.' What was on the koozie?

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listening

Listen to the sentence: 'Pass me that koozie, the one with the stripes.' Which koozie does the speaker want?

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/ 184 correct

Perfect score!

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