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Thermos Funtainer Water Bottle with Straw – 12 oz Kids Stainless Steel Hydration for School and Backpack

Thermos Funtainer Water Bottle with Straw – 12 oz Kids Stainless Steel Hydration for School and Backpack

Regular price $130.00 USD
Regular price $216.84 USD Sale price $130.00 USD -40%
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Why you'll love it

  • Trusted 120-year Thermos brand heritage gives parents confidence they're buying a safe, reliable product versus unknown brands
  • 12-hour cold retention means a kid's water stays refreshingly cool from morning recess through afternoon pickup
  • Hygienic pop-up straw cover protects from classroom germs and lunchroom contamination
  • 18/8 stainless steel and double-wall construction survives the daily drops, dings, and rough handling kids inflict
  • Soft-touch integrated carry handle is sized right for small hands to clip onto backpacks independently
  • Wide variety of 38 colors and themed patterns lets each kid pick a design matching their personal style

Perfect for

  • Daily school water bottle to keep kids hydrated through a full school day
  • Birthday or holiday gift with personalized character/theme appeal (unicorns, dinosaurs, sharks, construction, sports, hearts)
  • Sports practice, soccer games, and after-school activities where cold water is needed
  • Day trips, picnics, and travel for kids who need their own compact drink container
  • Back-to-school supply purchase to replace disposable plastic bottles

There’s a lot that goes into a Thermos product.

Superior insulation technology, long term durability, and seriously dependable features. But there’s one thing built into every Thermos product that stands out even more: how much we care. Since 1904, we’ve cared about what goes into every Thermos container, choosing the highest quality and most innovative materials to create reusable (and really reliable) products. It's why generations of families still trust Thermos brand to keep their favorite food and drinks hot or cold throughout the day.


Help keep germs away. We care because you do, too.


Dishwasher safe construction and materials for easy cleaning


Vacuum Insulated - Keeps cold for 12 hours

Back-to-school Favorites for Kids and Parents

The FUNtainer Collection

Packing healthy lunches with yummy options kids will love is a challenge. Thermos Brand has you covered with our Thermos Kids Collection. All of our products are designed to be easy to clean, easy for kids to open and close, and easy to grab and go, without missing a beat. It turns lunchtime “argh” into lunchtime “ahhhh.” So you can emerge from the lunchtime challenge like the rock star that you are.

Shop the FUNTAINER Collection

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Best Sellers & New Arrivals

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Shop the ICON Series

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Shop ICON Coolers

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Shop STAINLESS KING Collection

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Product Information
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
The FUNtainer® 12oz Vacuum Insulated Stainless Steel Water Bottle with Straw keeps drinks cold for up to 12 hours. Our kids water bottles are built so their drinks are as cool on the inside as they look on the outside. Kids stay hydrated and parents stay happy. The double wall stainless steel construction is built to handle drops, dings and assorted roughhousing. Includes an integrated carry handle with soft-touch grip, making it easy for kids to carry with them throughout the day. Help keep germs away with the hygienically covered silicone straw which is removable for easy cleaning. To clean, you can pop your FUNtainer water bottle in the dishwasher; however hand washing is recommended. Not for use with hot liquids.Recommended Uses For Product: Water
Age Range Description: Kid
Model Name: FUNTAINER 12 Ounce Bottle
Included Components: kids water bottle
Global Trade Identification Number: 00041205751809
Item Type Name: insulated-beverage-bottles
Item Height: 6.9 inches
Capacity: 12 ounces
Item Dimensions W x H: 3.1"W x 6.9"H
Item Weight: 8 ounces
Number of Items: 1
Base Diameter: 2.7 Inches
Additional Features: Cold 12 Hours, Double Wall, Vacuum Insulated
Cap Type: Flip Top Cap
With Lid: Yes
Material Type: Stainless Steel
Product Care Instructions: Top Rack Dishwasher Safe
Is the item dishwasher safe?: Yes
Is the item microwaveable?: No
Color: Blue/Green
Theme: Solid
Pattern: Solid

Frequently Asked Questions

Is the Thermos Funtainer safe for my child to carry to school every day?

Yes, the Funtainer is built with 18/8 food-grade stainless steel, a BPA-free silicone straw, and a hygienic pop-up straw cover, making it a safe everyday hydration option for kids ages 4 through 12.

Can a 4-year-old open the lid on their own?

Yes, the push-button flip top is designed for small hands, and the soft-touch integrated carry handle makes it easy for young children to open, close, and clip the bottle to their backpack independently.

Will the bottle survive being dropped in the cafeteria or on the playground?

The double-wall stainless steel construction is engineered to handle the drops, dings, and rough handling that come with daily school life, giving parents confidence the bottle will last.

Is the straw safe if my child bites or chews on it?

The removable silicone straw is soft, food-grade, and BPA-free, and it can be replaced if it ever wears out, so it is comfortable and safe for kids who tend to chew on their straws.

Can I use this bottle in my child's lunchbox or cubby at daycare?

The compact 12-ounce size is scaled specifically to fit in school cubbies, lunch bags, daycare cubbies, and standard backpack pockets without taking up too much space.

Is the Funtainer a good back-to-school purchase for replacing disposable plastic bottles?

Yes, parents choose the Funtainer as a reusable, durable, stainless steel alternative to disposable plastic bottles, helping reduce waste while keeping drinks cold throughout the school day.

Will my child actually drink enough water with this bottle?

The 12-hour cold retention keeps water refreshingly cool from morning recess through afternoon pickup, and the fun themed patterns make kids excited to grab their bottle and drink more often.

Is the surface ever too hot or too cold for a child to hold?

The double-wall vacuum insulation keeps the inside cold without transferring temperature to the outside, so the bottle exterior stays comfortable for small hands to carry all day.

How does this compare to a plastic character water bottle?

Unlike plastic character bottles, the Funtainer is double-wall vacuum insulated stainless steel that keeps drinks cold up to 12 hours, is more durable, and does not retain flavors or odors.

Is the Funtainer better than other kids bottles like Simple Modern or Hydro Flask Kids?

The Funtainer stands apart with 120 years of Thermos brand heritage, a hygienic covered straw design, and a 12-hour cold rating engineered specifically for school-age kids.

What if my child loses the straw or the lid breaks?

Replacement silicone straws and lids are available through Thermos customer service, so a lost straw or worn part does not mean replacing the whole bottle.

Is the Funtainer safe for kids with allergies or sensitive skin?

The 18/8 food-grade stainless steel body and BPA-free silicone straw are free from common allergens like BPA, phthalates, and lead, making them a safe choice for sensitive children.

Does the bottle fit in a standard kid-sized backpack pocket?

Yes, the compact 12-ounce size and slim profile are designed to slide easily into standard kid backpack side pockets and lunch bag compartments without bulging.

Will the paint or themed pattern chip off after a few months?

The themed patterns and colors are applied to withstand daily school use, and with normal hand-washing care the designs stay vibrant throughout the school year.

Is the Funtainer safe to use during after-school sports and recess?

Yes, the rugged stainless steel build, soft carry handle, and 12-hour cold retention make the Funtainer a reliable hydration companion for recess, gym class, and after-school sports.

Is the Thermos brand trustworthy for my child's daily hydration?

Thermos has been a trusted brand for 120 years, and parents rely on the Funtainer line specifically because it is purpose-built for school-age children with safety-tested materials.

How do I clean a Thermos Funtainer water bottle with straw?

Hand-wash the bottle body with warm soapy water, remove the silicone straw from the lid, and wash it thoroughly. The lid and straw are top-rack dishwasher safe for added convenience.

How long does the Funtainer keep water cold?

The double-wall vacuum insulated stainless steel construction is engineered to keep drinks cold for up to 12 hours when the lid is fully closed.

How do I open and close the push-button lid properly?

Press the front button to pop up the straw cover, drink through the silicone straw, then push the cover back down until it clicks to keep the straw clean and contained.

Does the Funtainer fit standard cup holders and lunch bags?

Yes, the 12-ounce slim profile fits in most standard car cup holders, stroller cup holders, lunch bag side pockets, and standard backpack pockets.

Is the Funtainer compatible with replacement Thermos straws?

Yes, genuine Thermos replacement silicone straws and lid assemblies are available for the Funtainer line, making it easy to refresh parts rather than replace the whole bottle.

What is included in the box when I order a Funtainer?

Each Funtainer ships with the stainless steel bottle body, the push-button flip top lid with integrated straw, a removable silicone straw, and care instructions. No additional parts are required for first use.

Is the Funtainer safe and reliable for everyday use?

Yes, the Funtainer is made with 18/8 food-grade stainless steel, BPA-free silicone, and a 120-year heritage of Thermos quality, making it a safe and reliable choice for daily hydration.

What should I do if my Funtainer stops keeping water cold?

If the bottle ever loses its insulation performance, contact Thermos customer service, as the Funtainer is backed by the brand's quality standards and limited warranty support.

What is the difference between a kids water bottle and a regular insulated water bottle?

Kids water bottles like the Funtainer are sized for small hands, feature easy-open lids like a push-button straw, use themed patterns kids love, and are built specifically for the drops and dings of school life, while regular insulated bottles are designed for adult use.

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