Best Christmas Beer Glasses in 2026

Savor those day-saving espresso shots with a tumbler primed for the job – the Rambler 10 oz. Tumbler. The Rambler 10 oz. is made from durable stainless steel with double-wall vacuum insulation to protect your hot or cold beverage at all costs

These Ramblers come standard with the YETI MagSlider Lid, the only drink lid that uses the power of magnets to keep your water, beer, or favorite drink on lock

While the MagSlider Lid adds a barrier of protection for keeping drinks contained and preventing heat or cold from escaping, Please Note – The MagSlider Lid is not leakproof and will not prevent spills

5-year Warranty & 100% Satisfaction - Yes! CHILLOUT LIFE products come with a a 5-year warranty plus special bonus - Free Delicious Coffee Recipes eBook - which will be emailed to you within 48 hours of your purchase. If you are not positively thrilled with our 20 oz insulated tumbler, just let us know and we will make things right for you! - Hassle Free!

Double Wall Vacuum Insulated Technology - High tech insulation methods prevent heat transfer to the outer walls of the tumbler, keeping your cold drinks ice-cold for up to 24 hours & your hot drinks scalding-hot for up to 6 hours. Our stainless steel tumbler use a SWEAT FREE DESIGN that prevents any temperature changes or condensation from forming on the outside, making sure that this cup never leaves a spot & you never burn yourself again!

Easy To Clean - The large, wide mouth opening allows easy access to the stainless steel surface, eliminating hard to reach spots and helping you keep every inch washed - Hand Wash Only.

INSULATED FOR HOT OR COLD & DRINKS: Our 22 oz. tumbler is made of stainless steel, perfect for keeping your coffee, tea, or hot beverages hot for hours, or your cool drinks like beer and wine cold for hours. With vacuum insulation and a double-wall design, the tumbler is great for outdoor activities, travel, picnics, and more.

THE PERFECT ON-THE-GO CUP: Our tumbler features a beautiful pink kitchen design that shows off your unique style. Plus, you'll love the wine tumbler when you want to add a little something special to your evening drinks. It's sure to be a conversation starter with friends and family.

TOUCHING PERSONAL GIFT: Pregnancy announcements are now even more fun. Create a memorable announcement with this personalized tumbler featuring custom engravings of your loved ones. The SassyCups Best Aunt Ever Custom Tumbler comes packaged in a beautiful gift-wrap-themed box, making it an amazing last minute gift!

👍【𝗣𝗥𝗘𝗠𝗜𝗨𝗠 𝗦𝗧𝗔𝗜𝗡𝗟𝗘𝗦𝗦 𝗦𝗧𝗘𝗘𝗟 𝗖𝗢𝗙𝗙𝗘𝗘 𝗠𝗨𝗚】Especially made of food-grade 18/8 stainless steel, CIVAGO insulated coffee mug provides with double-wall vacuum insulation to preserve the temperature of the drinks poured into it,meaning your lemonade won't taste like yesterday's coffee. Moreover, it makes the coffee cup durable, unbreakable and super easy wash.

👍【𝗜𝗡𝗦𝗨𝗟𝗔𝗧𝗘𝗗 𝗖𝗢𝗙𝗙𝗘𝗘 𝗠𝗨𝗚 𝗪𝗜𝗧𝗛 𝗟𝗜𝗗 𝗔𝗡𝗗 𝗛𝗔𝗡𝗗𝗟𝗘】The coffee tumbler comes with a transparent lid with a rubber gasket, ensuring a tight fit. It can help keep your wine or coffee from sloshing out when the party is in the backyard. You can easily see how much of your drink have left through durable clear lid. The wide, comfort-grip, non-slippery handle will help you to grasp your coffee mug in a warm and affectionate embrace, also makes it easy to drink from.

👍【𝗠𝗔𝗧𝗧𝗘 𝗣𝗢𝗪𝗗𝗘𝗥 𝗖𝗢𝗔𝗧𝗘𝗗 & 𝗡𝗢 𝗦𝗪𝗘𝗔𝗧 𝗗𝗘𝗦𝗜𝗚𝗡】The travel coffee mug is powder coated for a durable matte finish which is easy to grip. Sweat proof design keeps fingers dry and un-frostbit. If you are a coffee addict who can drink more brewed hot coffee a day, the coffee cup with lid will justify your expectations and does not sweat. If you are an icy beer lover, your hand will never get frostnip.

UNIQUE GIFT FOR HER - Our handmade gift set are beautifully designed with an elegant touch. Show your love and Sending A Hug to your special lady or your friend with a perfect gift. Good for valentines day gifts, employee appreciation gifts, nurses gifts, appreciation gifts, mothers day gifts, gifts for mom, boss day gifts, christmas gifts.

AN UNFORGETTABLE UNBOXING - This gift baskets for women contains 13 gifts which value $100+, a 12oz white insulated stainless steel tumbler, a straw, a cleaning brush, a scented candle, an eye mask, 2pcs bath bomb, 2pcs manual bath salt, a cosmetic bag for her makeup essentials, a jewelry dish, a gift box and a Sending You A Hug card & gift tag.

GIFTS FOR WOMEN WHO HAS EVERYTHING - Every item in our birthday box is carefully selected and well wrapped. Unlike normal pink color, this fleshy pink looks advanced, and good for her Wedding, Anniversary, Valentines Day, Mother's Day, Retirement, Get well soon, Self care, Thinking of you, Birthday, Christmas and Thanksgiving Day. Whether you're looking for gifts for female best friend, sister, wife, girlfriend, BFF, coworker, mom, grandma or teacher, this gift box is the best choice.

【100% Leak-Proof Lid】Soufull Tumbler adopts newly upgraded 3-in-1 MagSlider lid and double-threaded twisting design, keeps the cup completely sealed and sweat-proof. It is easy to handle the shakes and bumps of sports or car travel, enjoy the joy of drinking to your heart's content!

【Double Wall Vacuum Insulation】Soufull 40 oz tumbler made with double-wall vacuum insulation and 304 stainless steel, which keeps beverages cold for up to 34 hours and hot for up to 10 hours. It means the insulated tumbler cup keeps your favorite drinks ice cold or piping hot for hours. Let you enjoy hot and iced drinks until the last sip.

【Portable Super Capacity Travel Cup】 This large tumbler can be safely placed in most car cup holders, no worries when traveling far. Tumbler also has a humanized design silicone sleeve straw and handle, easy to drink directly or through a straw, on-the-go hydration!

Funny sister in law gifts; With the funny saying "Thanks for Being a Badass Sister in Law Keep That S Up", this cute insulated wine tumbler with lid is humorous for sister in law from sister, bride, brother in law; Perfect for your favorite sister in law, best sister in law, soon to be sister in law, future sister in law, new sis in law, sister of the groom, sister of the bride

Funny gifts ideas for any occasions; Perfect for best sister in law ever gifts, sister in law birthday gifts, sister in law valentines gifts, thank you sister in law gifts, long distance sister in law gifts, sister in law wedding gifts, appreciation, Women's Day, Mothers day gifts, thanksgiving gifts, stocking stuffers, sister in law Christmas gifts, white elephant gifts ideas

Vacuum insulation & durable; Our double wall vacuum insulated tumblers keep your drinks cold or hot longer than a normal wine glass; Made of food grade stainless steal, you don't need to worry about scratches, rusting; Hand wash only or the dishwasher might ruin the paint

Spill-resistant lid - Ensures that your drinks staying inside Stemless, not on you; Includes a removable silicone band for easy cleaning

Ergonomic flat sides; non-slip, silicone bottom - Our patented, easy-grip sides ensure that Stemless stays securely in your hand; The silicone bottom is designed to prevent it from sliding and spilling

Available in your favorite shade, sheen, animal print, glitter, color, and always ready to party; Make every sip an experience

WELL-MADE WINE TUMBLER: Made from unbreakable 304 18/8 food grade stainless steel with ABS lid, our friends wine tumblers have double wall insulation which is not out of shape nor breakable.

WONDERFUL GIFT FOR FRIENDS: The rose gold wine tumblers with lids are good inspirational gifts for your friend, good friends, long distance friends, teacher, sister, brother, bridesmaid, or loved one. There is no doubt that insulated wine tumbler will let her remember and cherish this tumbler forever.

EASY TO CLEAN: The friend wine tumbler with lid comes with stainless steel straws and cleaning sponge brush which will make it easy for you to deal with theses wine tumblers filled with ice cream and various beverages after party. Hand wash is recommended for it can be cleaned just in a few seconds.

Advanced Insulation Technology:Double wall vacuum insulated prefection in a stemless wine tumbler made from lifelong Stainless Steel! Set off on your refreshing picnic, hiking or camping adventures with your water, wine, or cocktail icy-cold for 9 hours or your coffee and tea scalding-hot for over 3 hours!

Safe and Durable :It is made from unbreakable 304 18/8 food grade stainless steel, with DOUBLE-WALL insulation and comes in vibrant colors, a special treatment that minimizes fading and chipping .

Lid design: the lid is designed with a straw hole for cup on the surface, which is good for easy sipping with straws and helping reduce splash.Worry no more about your little adventurers breaking their smoothie/juice/water or milkshake cups.

Funny sister gift, sister in law gift; A unique wine gift idea for best sister, new sister, bff sister, soul sister, unbiological sister, sibling sister, big sister, little sister, wino sister, coffee loving sister, bestie, girlfriend, bride, bridesmaid

Printed with a saying “thanks for being a badass sister”; Sister birthday gifts from sister; Gifts for sister Christmas, stocking stuffers, friendship, graduation, moving away, going away, thank you, appreciation, wedding, housewarming, bridal shower and more

Vacuum insulated; Provides maximum insulation to keep your favorite beverage hot or cold as long as possible; Gives a good grip and never sweats on the outside, no matter what temperature your drink is

🍷 UNIQUE 50TH ANNIVERSARY GIFTS: 12Oz stainless steel insulate 50th birthday wine tumbler with a shot glass, the tumbler's 18/8 stainless steel construction makes it unbreakable, rust-resistant, and flavor-free. 50th birthday wine glasses

🍷 PACKAGE INCLUDES: 1963 vinage stainless steel 50th wine tumbler, 1x fabulous 50th birthday shot glass, 1x stainless steel straw, 1x cleaning brush, 1x gift ready box, 1x lid. It is excellent product for giving gift because it comes with gift bags

🍷 USES: This unbreakable insulated 50 wine glass mug is ideal for alcoholic and non-alcoholic beverages, including wine, cocktails, mocktails, juice, coffee, iced coffee, water, tea, soda, beer, martini, coffee, cheers to 50 years and more

40TH BIRTHDAY GIFT: This funny saying is printed on the cup and engraved on the keychain which reads IS YOU 40? This cup set came with a keychain, reusable metal straws, a straw cleaner and a silicone tips for the metal straws. it is a great 40 Year Old Party gifts idea for her, him, sister, brother or best frirends.

HIGH QUALITY TUMBLER: This is a great quality vacuum insulation tumbler, with double-wall design. It is made from 18/8 stainless steel which is durable, resistant to stains and unbreakable, easy to clean. Transparent waterproof splash proof sliding lid BPA Free safe without the threat of toxins.

EXCELLENT INSULATION EFFECT: This double wall insulation tumbler can keep your drinks cold or hot for a long time，it is great for coffee, wine, soda, cola, beer, juice and more.

💕 Excellent Gift For Women: This new mom gift wine tumble cup with gift cards will be a hit on each occasion. When celebrate their 21th, 30th, 40th, 50th, 60th, 70th, 80th, 90th, 100th commemorative birthday,Christmas, they will be a perfect present for your wife,mom,grandma,sister,cousin, girl friends,best friends,coworker or any wine enthusiasts in your life!

💕 Amazing Gift Box: Our wine tumbler gift for mom is packaged in a beautiful gift box,which comes with a wish card, a stainless steel straw and cleaning brush accessories. Will be delicate mom to be gift, give it to your lover and enjoy their ear-to-ear smile!

💕 Eye-Catching Design For All Occasions:12 OZ Wine Tumbler that will add color to your life! Comfortable in the hand.Perfect size for holding any beverage:water, wine, beer, cocktails, champagne, coffee, tea, milk, juice and more. Use in outdoor or indoor:great for the pool, beach, patio, BBQ, picnic, raves, camping,family reunion, friends gathering, corporate party, Christmas party, drinking night.

FUN WINE TUMBLER FOR MOMS – This cute drink tumbler features Don’t Mess with Mamasaurus to make her smile with every sip! It’s also just the right size for red or white wines, fresh-brewed coffee, or a tangy mojito.

TRENDY AND SUPER CUTE – Tumblers are great for anniversaries, holidays, Mother’s Day, mom birthday gifts, pregnant mom, new moms, mom to be, wife birthday gift ideas, or just those special parents or siblings in your life.

DOUBLE WALL VACUUM INSULATION – We use double-wall insulation to help retain hot and cold liquid temperatures, which makes our wine tumbler also great for water, coffee, cola, beer, juice, tea, ice cream, cocktails and more.

PREMIUM MATERIAL OFFER HEALTHIER DRINKING WAY - THILY stemless vacuum insulated wine tumblers are crafted from 304 food-grade 18/8 stainless steel, durable and shatterproof. Highly resistant to rust and to absorbing odor, taste. All components are non-toxic, BPA free and environmentally friendly, won’t alter flavors. Safer and healthier than plastic or wine glasses

TRIPLE-INSULATED KEEP YOUR DRINKS COLD LONGER - these unbreakable wine tumblers are triple-insulated keep hot up to 3 hours and cold up to 9 hours. The exterior of the vacuum sealed area is dipped in copper for added insulation and sweat proof. The thermal copper lining keeps your wine or coffee at the perfect temperature

SPLASH-PROOF LID AND RUBBER BOTTOM - comes with a push-on lid keep any dust particles getting in and stop major spills, silicone base to keep it from sliding on slippery surfaces and reduce the noise. You will also get a reusable stainless steel metal straw. Our wine tumbler set will take you to enjoy a fresh juice or an ice-cold cocktail to a new level in this summer

✅Perfect Configuration: MUCHENGHY each of the 20oz tumbler offers unparalleled price performance: Contains 1 straight steel straw, 1 curved steel straw, 1 straw brush, 1 cup brush. We've upgraded them to the perfect configuration, if you purchase additional sets, each mug will come with all of the included accessories.

✅Premium Design: Double walled insulation provides a sweat proof and condensation free stainless steel insulation tumblers exterior, which will keep drinks warm for 3 hours or cold for 9 hours. The eco-friendly lid rubber ring extra sealed the cup to provide maximum leak-proof capability. Wide mouth design for easy washing, and drink hole on the top for easy sipping.

✅Safety and Environmental Protection: The coffee tumbler is made of unbreakable 304 18/8 food grade stainless steel, which is 100% BPA free and non-toxic. and has variety of beautiful colors, a special treatment that minimizes fading and chipping and provides you an solid ANTI-SLIP grip. Also steer clear of disposable plastic cups that harm nature or glass cups that easily break, Make your contribution to reducing pollution with a reusable coffee cup.

UNIQUE GIFT SET FOR MEN OR WOMEN: This 4 pack insulated travel tumbler set(4 different colors)is suitable for travelers, students, drivers, teachers, workers, party cups, sailors, BBQ experts, mom, dad, sister, friends. This travel tumbler set can be ideal family gifts, Christmas gifts, housewarming gifts, birthday gifts.

PREMIUM MATERIAL: Made of 18/8 food grade stainless steel, these travel tumblers are sturdy and will not break easily even if they accidentally fall to the ground. This premium material has no rust smell. You can get different experience and feeling because of the different colors travel tumbler.

KEEP HOT OR COLD: These travel tumblers are designed with double-wall vacuum insulation. Tested by designers, this double-wall vacuum insulation design can keep your drinks like coffee hot for 5 hours or cold like beer for 9 hours. You can have an ideal temperature drinks at anytime.

WINE TUMBLER GIFT: Lifecapido wine tumbler set is not only your first choice for parties, BBQ, pool parties, picnic, camping, family gathering, wedding, home, office... Meanwhile, 6 pack vacuum wine tumblers are perfect as birthday gift, wedding gift, bridal shower gift, engagement gift, anniversary gift, Mother’s Day gift, Christmas gift, Thanks gift, housewarming gift for women, men, family, friends, sister, dad, mom, husband, wife...

DOUBLE WALL VACUUM INSULATION: Our stainless steel wine tumblers adopt the technology of double walled vacuum insulation that keep beverages hot or cold for hours and prevent sweating or condensation. So whether it's summer or winter, this double wall vacuum insulated wine tumbler will gives you a better drinking experience in daily life.

PREMIUM MATERIAL: Made of 18/8 of 304 high-quality stainless steel, these insulated wine tumblers are durable, light weight, lead free, unbreakable and easy to clean.

GREAT DIY GIFT: Our 20 oz stainless steel skinny tumbler set 4 is great for diy. You can do glitter/epoxy work to pecialize your only tumbler for you and your friends. Just use your creativity to make the work you like.

PREMIUM QUALITY: Made of 304 18/8 stainless steel, this skinny travel tumbler set with lid and straw is highly durable and resistant to break and rust.

GREAT INSULATION: Adopting double wall vacuum insulation technology, the funny gift for friends insulated skinny tumbler can keep your drinks cold for 9 hours and hot for 5 hours. No matter where and when, our skinny tumbler always gives you the best drinks temperature.

Remarkable Beer Glass: Beer connoisseurs know—keeping it at a cold, constant temperature optimizes delicious flavor. Whether you brew your own or have favorite craft varieties that deserve the best drink containers, you’ll love SNOWFOX stainless steel 16.9-oz beer glasses. Their sturdy yet lightweight ergonomic form feels good in any sized hands. The outside stays condensation-free while the interior keeps liquids frosty. This set makes a celebrated gift for fellow beer lovers.

Top-Tier Materials & Design: Superior food-grade stainless steel is vacuum insulated in a double-wall design for exceptional temperature control. No need to keep it in the freezer: pour cold drinks in and they stay that way until you’re done. These durable, lighter-than-glass containers feature a unique 1-mm rim that truly elevates your beer-drinking experience. Optional lids are available for spill prevention. Amp up flavor, stabilize chill, and enjoy your well-deserved cold brew.

Upgrade Any Beverage: Beer is glorious in your new steel glass, so why not try it with other refreshments, too? Perfect for entertaining or any time all it’s destined to become a favorite go-to drink holder for ice water, juice, sodas, and more. Replace the glass and plastic in your kitchen cupboard to indulge in the advantages of premium insulated daily drinkware. Tables remain puddle-free, hands stay dry, thirst is quenched, plus they look great…four big wins.

Insulated Double Wall - Wine Tumbler features dual walls with vacuum insulated, Keep drinks hot and cold longer for a more enjoyable drinking experience.

Premium Material - Wine glasses are made of 304 stainless steel. Electro polished inside.Ensure your cups unbreakable, rust resistant , sweat free ,Non-toxic and harmless.giving you a clean tasting drink every time!

BPA Free Lid - The lid is made of AS, chemical-free.it comes with a removable rubber gasket . Wide mouth design and Drink hole on the top for easy washing.

REUSABLE AND DURABLE: Made of 304 18/8 stainless steel, this skinny water bottle tumbler set with lid and straw is highly durable and resistant to break and rust.

GREAT INSULATION: The funny gift for friends insulated skinny tumbler with double wall vacuum insulation can keep your drinks cold for 9 hours and hot for 5 hours. No matter where and when, our skinny tumbler always gives you the best drinks temperature.

GREAT GIFT IDEA: Our stainless steel skinny tumbler set of 4 is a great christmas birthday gift for family, co-worker, friends, dad, mom, brother, sister, grandma ,grandpa, aunt, uncle,Mother's Day, Valentine's Day, Teachers' Day, anniversary.

EXCELLENT TUMBLER GIFT: Lifecapido insulated travel tumblers are perfect for women, men, family, mom, dad, husband, wife, sister, friends, coworker as birthday gift, wedding gift, bridal shower gift, engagement gift, anniversary gift, Mother’s Day gift, Christmas gift, Thanks gift, housewarming gift...

KEEP HOT AND COLD: The 8 pack insulated tumbler with lid straw adopt double wall vacuum insulation technology, therefore our stainless steel tumblers with lids straws can keep your hot drinks for 6 hours and cold drinks for 12 hours to ensure optimum taste.

REPLACEMENT LIDS AVAILABLE: Each of Lifecapido double wall travel tumbler comes with two lids-a sliding lid and a lifting lid, which has rubber gaskets to ensure a good seal and not easy to leak, guarantee your good travel experience.

Quality materials: coffee travel mug is made of good quality 304 stainless steel, no need to worry about wine tumbler shattering. BPA free lid and hand wash safe( NOTE: In order to prevent surface peeling, please not use chemical detergents), this stainless steel unbreakable metal wine cup are your perfect choice

Advanced insulation technology:our coffee cup double walled vacuum insulation design, keeps 12 oz of hot drinks for over 3 hours and cold drinks chilled for 9 hours. Our stainless steel insulated wine tumbler with lid both suit for outdoor and home using

Design of the lid: a straw hole on the cup lid, the package has 2 straws and 2 straw clean brush for you, which is more convenient to use. these wine cups are easy to clean, and 2 pieces of wine cups are enough for spare and application at home, office or other places

【HIGHT QUALITY】The wine tumbler is made of good quality 18/10 stainless steel, BPA Free, Lead Free, durable and unbreakable. Covered by tough and durable coating, the tumbler surface is no scratch, the tumbler can be dishwashered safely and won’t alter flavors or leach chemicals. but to protect the coating, hand-wash recommended.

【VACUUM INSULATION TECHNOLOGY】Its double-wall vacuum insulation technology keeps your beverages fresh whether it is hot or cold drink inside. Set off on your refreshing picnic, hiking, camping, home or office with your water, drinks, wine or cocktail icy-cold for 7 hours or your coffee and tea scalding-hot for over 3 hours!

【EASY CLEANING】Hand washing is recommended, electro-polished interior doesn't transfer flavor & no aftertaste. You don't have to worry about your morning or afternoon teas taste being ruined.

ICE COLD REFRESHMENT: Thanks to the double-wall insulation, the Stanley insulated pint glass keeps drinks cold for up to 4 hours and iced up to 17 hours while keeping the exterior sweat-free. It also retains heat for 1 hour for coffee on the go.

LEGENDARY STANLEY QUALITY: With the heavy-duty construction, this tumbler will never rust or break. You’ll also love that the lid that contains a built-in bottle opener to crack open pints with ease and the wide mouth opening for easy sipping.

BPA FREE: Whether you pour your favorite beer, soda or iced coffee into this insulated stainless-steel tumbler you can feel rest assured drinking from it knowing that it is made with BPA-free materials.

【Unique and Stylish Design】These whiskey drinking glasses hold 11 oz of scotch, whiskey, or mixed drinks and you will feel more comfortable in your hand than traditional boring plain glasses. The elegant, modern, and sleek twist style makes an interesting addition. They are very easy to hold, thick and sturdy, look very classic. Perfect for everyday use or special occasions and make your dinner table and home bar look more beautiful and noble.

【Premium Lead-Free Crystal Glass】Original high-quality crystal glasses, diamond-like for texture and brilliant refraction, sparkle beautifully in the light! The finest clear lead-free crystal glasses look more noble and elegant. Great for drinking your single malt, brandy, beer, vodka, cocktails, gin, and tonic, or even as a classy way to serve water or juice at your dining table.Ideal for sharing a toast on special occasions with family or clients, or playing poker and partying with friends.

【Solid and Durable Glass】The thick sides and heavy base are extremely durable and keep your drink insulated at the perfect temperature for longer. Don't worry about them breaking in case of using them into the dishwasher because they have very good resistance to cracking. And they are durable enough to be used for a long time. Meanwhile, our scotch glasses are big enough to hold in your hand and thus hold a 2.5-inch ice sphere or whiskey rocks much better.

Material: the wine cups are made of 304 stainless steel, more durable than other ordinary glasses; And they are not easy to be broken

Advanced insulation technology: the double insulated technology is good for keeping your drinks warm or cold for a longer time, so you can use it in any season.

Lid design: the lid is designed with a straw hole for cup on the surface, which is good for easy sipping with straws and helping reduce splash

DOUBLE-WALL INSULATION TECHNOLOGY - The Stainless Steel wine tumblers are double wall and vacuum insulated. The Double-Wall Vacuum insulated thermal technology provide a good ability of insulation, which is good for keeping your drinks warm or cold for a long time and protects your hands against the temperature of the drinkings inside the tumbler cup, so you can use the insulated wine tumbler in any season.

FOOD GRADE MATERIAL - The insulated stainless steel wine glasses are made of 18/8 food grade 304 stainless steel, with powder coated finish,don't worry about peeling or rusting.Light weight and unbreakable,also easy to wash and carry.

LEAKPROOF LIDS DESIGN - BPA-free lid is designed with a hole to facilitate the use of straw, and the hole of the lip can also be covered to prevent liquid from spilling and not splashing on clothing. And a white silicone rubber ring of the lip can keep the temperature.