Top 10 Best 12 oz thermos in 2026

Last Updated - 6/20/2026

🏆Best Choice

THERMOS

THERMOS FUNTAINER Water Bottle with Straw - 12 Ounce - Kids Stainless Steel Vacuum Insulated Water Bottle with Lid, Blue/Green

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Stays cold: THERMOS vacuum insulation technology keeps drinks cold for up to 12 hours. Our stainless steel water bottles are built so their drinks are as cool on the inside as they look on the outside. Not for hot liquids
•Kid-friendly design: This reusable metal water bottle is lightweight and compact with a push button lid so it’s easy to carry and open. The integrated carry handle features a soft touch grip
•Daily durability: Perfect kids water bottle for school and daily use. Made with high-quality 18/8 stainless steel construction to handle drops, dings and provide everyday durability and reliability. Comes in a variety of fun colors and patterns
•Easy care and cleaning: Help keep germs away with a hygienically covered pop-up straw that’s also removable for easy cleaning. This kids water bottle is dishwasher safe, though washing by hand is recommended
•Protect what you love: With 120 years of heritage, Thermos Brand food and beverage containers keep things fresh, sealed and protected. Trusted since 1904 because our products help make everyday life a little better, every time

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$18.99

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THERMOS

THERMOS FUNTAINER Water Bottle with Straw - 12 Ounce - Kids Stainless Steel Vacuum Insulated Water Bottle with Lid, Teal

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Stays cold: THERMOS vacuum insulation technology keeps drinks cold for up to 12 hours. Our stainless steel water bottles are built so their drinks are as cool on the inside as they look on the outside. Not for hot liquids.
•Kid-friendly design: This reusable metal water bottle is lightweight and compact with a push button lid so it’s easy to carry and open. The integrated carry handle features a soft touch grip.
•Daily durability: Perfect kids water bottle for school and daily use. Made with high-quality 18/8 stainless steel construction to handle drops, dings and provide everyday durability and reliability. Comes in a variety of fun colors and patterns.
•Easy care and cleaning: A Smart-Design covered pop-up straw that’s also removable for easy cleaning. This kids water bottle is dishwasher safe, though washing by hand is recommended.
•Protect what you love: With 120 years of heritage, Thermos Brand food and beverage containers keep things fresh, sealed and protected. Trusted since 1904 because our products help make everyday life a little better, every time.

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$17.25

$18.99

-9%

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Contigo

Contigo AUTOSEAL West Loop Vacuum-Insulated Stainless Steel Travel Mug with Easy-Clean Lid 12 oz Blueberry

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•NO LEAKS OR SPILLS: AUTOSEAL lid locks between sips and is 100% leak- and spill-proof
•TEMPERATURE CONTROL: Drinks stay hot up to 8 hours or cold up to 16 hours with THERMALOCK vacuum insulation
•CLEANS UP NICELY: Easy-Clean Lid is top-rack dishwasher safe, while body can be washed by hand
•DRINK WITH EASE: Bottle can be held, locked, and released with one hand
•FITS YOUR LIFE: Built to fit in most car cupholders and under most single-serve brewers
•SAFE-TEA FIRST: Lid has inner hook for tea bags so you can avoid wet, messy strings and leaks
•PEACE OF MIND: BPA Free; Comes with limited lifetime guarantee for U.S. & Canada

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$19.94

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CS COSDDI

CS COSDDI 12 oz Stainless Steel Vacuum Insulated Tumbler - Coffee Travel Mug Spill Proof with Lid - coffee Cup for Keep Hot/Ice Coffee,Tea and Beer (Tibetan blue)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Healthy Material - The Vacuum double wall was made of high quality grade 304 stainless steel that completely taste-free, rust-proof, leak-proof, The lid was made of food-grade silicone, BPA free, guaranteed high durability.
•Leakproof Design - The coffee mug lid comes with an airtight silicone seal that prevents the drinks from spilling. Air Vent on the lid allows beverages to flow out smoothly, without gushing or overflowing.The rubber design at the bottom prevents the cup from slipping or tipping.
•Perfect Capacity - 12oz capacity, small and beautiful, easy to carry,Narrow body design makes it easy to grab and go, also fits most car cup holders and coffee makers.
•Easy to Carry - Enjoy your coffee easily wherever you go. Suitable for use indoor&outdoor, such as home, parties, travel, school, riding,and office time.
•Use Notes - The coffee cup buckle can be closed tightly after two "clicks",Hand wash only, the dishwasher is not recommended.cannot put in the microwave.

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$12.99

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Zojirushi

Zojirushi Stainless Steel Mug, 12-Ounce, Smoky Blue

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Stainless steel vacuum insulation keeps beverages hot or cold for hours
•Durable and sanitary 18/8 stainless steel interior
•Slick Steel finish
•Wide mouth accommodates full size ice cubes
•Compact design takes up minimal space while maximizing capacity

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$28.99

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SPLMIFA

SPLMIFA Vacuum-Insulated Stainless Steel Travel Coffee Mug, Leak-Proof Reusable Coffee Cup with Lid - Keep Hot & Cold Drinks for Hours, Durable Thermos Tumbler for Men & Women (3rd-Black, 12OZ)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Keeps Drinks Hot or Cold for Hours: This travel mug is made of high-quality 304 stainless steel with a double-wall vacuum design, free of BPA, keeping your drinks hot for 6 hours and cold for 8 hours to ensure they stay at the ideal temperature for longer.
•Perfect Sizes: Available in 380ml (12oz) and 510ml (17oz), this insulated mug features an elegant, lightweight design, perfect for enjoying coffee, tea, wine, juice, oatmeal, and more. It's suitable for both indoor and outdoor settings, such as home, parties, travel, and the office.
•Stylish Design: Compact and lightweight, it fits most car cup holders. The silicone sleeve on the cup provides a non-slip grip, while the anti-slip bottom prevents the mug from sliding or tipping over. The wide mouth design makes it easy to clean and add ice. (Hand wash only; not dishwasher safe and not microwave safe.)
•Convenient One-Handed Drinking: This travel coffee cup features an eco-friendly flip lid that's easy to open and close. The lid has a sealed silicone ring to prevent leaks and spills, along with a drinking hole for direct sipping or using a small straw. The silicone sleeve on the body makes it easy to hold.
•Great Gift Idea: This reusable coffee cup makes an excellent gift for family and friends, perfect for birthdays, Thanksgiving, Christmas, Valentine's Day, and more. If you have any questions during your purchase or gifting process, please reach out to us—we're happy to help!

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$9.99

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Simple Modern

Simple Modern Food Jar for Hot Food | Reusable Stainless Steel Vacuum Insulated Leak Proof Lunch Storage for Smoothie Bowl, Soup, Oatmeal | Provision Collection | 12oz | Sea Glass Sage

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Double Wall Insulation: Keeps soups and smoothie bowls hot or cold for hours
•Leakproof: Wide Mouth design provides easy eating without spills
•Durable: Made of premium 18/8 stainless steel
•Dishwasher Safe
•Limited Lifetime Warranty & Pat/Pat Pending

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$19.99

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MILTON

Milton Thermosteel Flip Lid Flask 350, Double Walled Vacuum Insulated Thermos 350 ml | 12 oz | 24 Hours Hot and Cold Water Bottle with Cover, 18/8 Stainless Steel, BPA Free, Leak-Proof | Silver

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•✅The included protective jacket may vary in color or design due to mixed inventory. All jackets are high-quality and provide the same insulation and protection.
•✅ Despite its sizable presence, rest assured that the interior capacity perfectly aligns with the specified title and selected item. The size may seem larger due to it's robust double-wall vacuum insulation.
•✅ To optimizse Hot & Cold performance precondition the flask with hot or cold water and fill to maximum capacity when using it. Avoid partial filling for maximum effectiveness & secure the lid tightly for keeping temperature locked in.
•✅ 24-hour temperature retention - Milton Stainless Steel Bottle is designed with double-wall vacuum insulation and an inner copper coating. This unique design ensures that your beverages stay hot or cold for a full 24 hours, regardless of the ambient temperature. So, you can enjoy your favorite drinks at the perfect temperature all day long.
•✅ Leak proof water bottle - This Metal Water Bottle has a leak-proof design that prevents any unwanted drips or messes. The best part about it is the flip lid that allows you to open and close the bottle with just one hand. No more twisting or unscrewing caps, just flip and sip! Additionally, the lid can be used as a cup, making it even more practical and convenient.

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$16.99

$19.99

-15%

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JSCARES

JSCARES 12oz Kids Insulated-Food-Jars for Hot-Food, Wide Mouth Soup Thermo Food Jar Insulated Thermal Lunch Container Termo para Comida Caliente Vacuum Thermoses for Keeping Food Warm-Black

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Exceptional Thermal Insulation: Elevate your child's dining experience with JSCARES' exceptional thermal insulation technology. Whether it's a steaming bowl of soup on a chilly day or a refreshing salad on a hot afternoon, our 304 stainless steel insulated food jar keeps meals at the perfect temperature for an extended period. The advanced insulation ensures that every bite is as satisfying as the first, providing your child with a comforting and enjoyable on-the-go dining experience
•Safe and Healthy: The kids thermoes food containers for hot food is meticulously crafted from BPA-free, PVC-free, and food-grade materials. Parents can rest easy, knowing that each sip and bite from the thermos is not only delicious but also safe and wholesome. Prioritize your child's well-being with a thermos designed with their health in mind
•Wide Mouth Convenience: Make mealtime a breeze with the wide-mouth convenience of the our hot food container. The 3.6-inch wider mouth design facilitates effortless eating, filling, and cleaning. Say goodbye to the struggles of trying to pack or scoop food into a narrow opening. This thoughtful design isn't just for kids; it's a convenience that parents will appreciate, making every aspect of using the thermoes easy and enjoyable
•Leak-Proof and Portable: Designed for the dynamic lifestyle of kids and parents, our thermoes lunch features 360° leak-proof technology. This means you can confidently put it into a backpack without worrying about spills or messes. The lightweight build ensures that it's easy for kids or aldult to carry, making it the perfect companion for school, office, travel, and any on-the-go adventure
•Dishwasher and Handwash Friendly: Streamline your routine with our insulated food container – it's designed for both handwashing and dishwasher convenience. After a delightful meal, effortlessly clean it by hand or simply put it into the dishwasher for a hassle-free experience. Free up your hands from the tedium of manual washing, giving you more time to focus on what matters most – quality moments with your child

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$14.99

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THERMOS

THERMOS 12oz Stainless Steel Direct Drink Bottle, Stainless

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•THERMOS vacuum insulation technology for maximum temperature retention
•Stainless steel construction. Sweat-proof exterior
•Push button lid with locking ring helps secure beverages when closed. Smooth flow lid
•Fits most automobile cup holders
•Dishwasher safe; lid components disassemble for easier cleaning

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$22.99

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