overall
Thermos Funtainer 12 Ounce
9.5
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Finding the perfect water bottle for your child can be challenging with so many options. Our top pick is the Thermos Funtainer 12 Ounce, offering excellent insulation and durability.
| # | Product | Best for | Capacity | Material | Insulation | |
|---|---|---|---|---|---|---|
| 1 | Thermos Funtainer 12 Ounce | overall | 12 oz | Stainless Steel | Double-wall vacuum insulated | Check Price |
| 2 | Hydro Flask Kids Wide Mouth with Straw Lid | insulation | 12 oz | Stainless Steel | TempShield insulation | Check Price |
| 3 | Nalgene Kids Grip-N-Gulp Water Bottle | toddlers | 12 oz | Tritan Plastic | Wide mouth with straw | Check Price |
| 4 | CamelBak Eddy+ Kids Water Bottle | bitingstraw | 12 oz | Tritan Plastic | Eddy+ straw bite valve | Check Price |
| 5 | Brita Kids Filtered Water Bottle | filtered | 14 oz | Plastic | Built-in filter | Check Price |
| 6 | Simple Modern Kids Water Bottle with Straw Lid | value | 14 oz | Stainless Steel | Double-wall insulation | Check Price |
| 7 | S'well Kids Water Bottle | style | 9 oz | Stainless Steel | Triple-layer insulation | Check Price |
| 8 | Takeya Kids Sport Water Bottle | sports | 18 oz | Tritan Plastic | Sport spout with cap | Check Price |
Why we picked it: The Thermos Funtainer is our top pick because it keeps drinks cold for up to 12 hours. Its stainless steel construction is virtually indestructible, perfect for active kids. The push-button lid with a pop-up straw is easy for small hands to use. Parents love that it's leak-proof and dishwasher safe.
Perfect for parents who want a durable, insulated bottle that keeps water cold all day.
Not ideal for toddlers who might struggle with the push-button mechanism.
Key specs: 12 oz capacity - Stainless steel - Double-wall vacuum insulation - BPA-free - Dishwasher safe - Weight: 0.5 lbs
Why we picked it: Hydro Flask is renowned for its insulation, keeping drinks cold for up to 24 hours. The wide mouth makes it easy to add ice and clean. The powder coat finish provides a non-slip grip and is dishwasher safe. Kids love the fun colors and parents appreciate the lifetime warranty.
Great for kids who need their water to stay cold all day, especially in hot climates.
Not for budget-conscious parents or those wanting a lightweight bottle.
Key specs: 12 oz capacity - Stainless steel - TempShield insulation - BPA-free - Dishwasher safe - Weight: 0.7 lbs
Why we picked it: The Nalgene Grip-N-Gulp is designed specifically for toddlers with its easy-grip sides and integrated straw. The one-piece cap means no lost parts, and the wide mouth makes cleaning simple. It's made from durable Tritan plastic that withstands drops. Parents report it's easy for little hands to use independently.
Perfect for toddlers transitioning from sippy cups to water bottles.
Not for older kids who want a larger capacity or insulation.
Key specs: 12 oz capacity - Tritan plastic - Wide mouth with straw - BPA-free - Dishwasher safe - Weight: 0.2 lbs
Why we picked it: The CamelBak Eddy+ features a bite valve that releases water when bitten, making it easy for kids to drink without spilling. The straw is self-sealing to prevent leaks when not in use. The bottle is made from durable Tritan plastic and is dishwasher safe. It's a popular choice for school and sports.
Great for kids who prefer a bite valve and need a reliable, spill-proof bottle.
Not for those who dislike bite valves or want insulation.
Key specs: 12 oz capacity - Tritan plastic - Eddy+ bite valve - BPA-free - Dishwasher safe - Weight: 0.3 lbs
Why we picked it: The Brita Kids bottle has a built-in filter that removes chlorine and improves taste, encouraging kids to drink more water. The flip-top lid is easy to open, and the bottle is lightweight. Filters need replacement every two months, but they are affordable. Parents appreciate the cleaner taste and reduced plastic waste.
Ideal for kids who are picky about water taste or live in areas with tap water concerns.
Not for those who don't want ongoing filter costs or prefer insulated bottles.
Key specs: 14 oz capacity - Plastic - Built-in filter - BPA-free - Dishwasher safe - Weight: 0.3 lbs
Why we picked it: Simple Modern offers an affordable insulated bottle with a wide range of fun patterns. The double-wall insulation keeps drinks cold for hours. The straw lid is easy for kids to use and the bottle is dishwasher safe. It's a great budget-friendly alternative to premium brands.
Perfect for parents on a budget who still want insulation and style.
Not for those seeking top-tier durability or lifetime warranty.
Key specs: 14 oz capacity - Stainless steel - Double-wall insulation - BPA-free - Dishwasher safe - Weight: 0.6 lbs
Why we picked it: S'well bottles are known for their stylish designs and triple-layer insulation that keeps drinks cold for up to 24 hours. The 9 oz size is perfect for younger kids. The narrow mouth helps control flow but can be harder to clean. It's a fashion-forward choice that performs well.
Ideal for style-conscious kids and parents who want a premium insulated bottle.
Not for those needing a larger capacity or easy cleaning.
Key specs: 9 oz capacity - Stainless steel - Triple-layer insulation - BPA-free - Hand wash recommended - Weight: 0.5 lbs
Why we picked it: The Takeya Sport bottle offers a large 18 oz capacity for older kids and athletes. The sport spout with a cap keeps the mouthpiece clean. It's made from durable Tritan plastic and is dishwasher safe. The squeeze design makes it easy to get water out quickly during activities.
Great for active kids who need a large, easy-to-use bottle for sports.
Not for toddlers or those wanting insulation.
Key specs: 18 oz capacity - Tritan plastic - Sport spout with cap - BPA-free - Dishwasher safe - Weight: 0.4 lbs
The Thermos Funtainer is excellent for school due to its durability and insulation, keeping water cold all day. The Contigo Cleanable is also great for its leak-proof design, preventing spills in backpacks.
Stainless steel bottles are more durable and provide better insulation, but they are heavier and more expensive. Plastic bottles are lighter and cheaper, but may retain odors and are not insulated. Choose based on your child's needs.
Most bottles are dishwasher safe, but check the manufacturer's instructions. For straws and valves, use a small brush to clean thoroughly. Some bottles, like the Contigo Cleanable, have easy-to-remove parts for deep cleaning.
Look for bottles with a locking lid or a valve that seals when not in use, like the Contigo Autoseal or CamelBak Eddy+. Also check that the lid screws on tightly and has a silicone gasket to prevent leaks.
Stainless steel is more durable and keeps drinks cold longer, but is heavier. Plastic is lightweight and cheaper, but may not last as long. Consider your child's age and how rough they are on bottles.
If you want drinks to stay cold for hours, choose an insulated bottle like the Thermos Funtainer or Hydro Flask. For short periods, a non-insulated plastic bottle may suffice.
Bottles with wide mouths and dishwasher-safe parts are easiest to clean. Avoid complex lids with many parts if you want hassle-free maintenance.
| Feature | Why it matters |
|---|---|
| Leak-Proof Design | A leak-proof bottle prevents spills in backpacks and car seats. Look for lids with seals or locking mechanisms. This is especially important for school and travel. |
| Durability | Kids can be rough on bottles, so durability is key. Stainless steel is more durable than plastic, but high-quality Tritan plastic also withstands drops. Check for warranty. |
| Insulation | Insulated bottles keep water cold for hours, which encourages kids to drink more. Double-wall vacuum insulation is the most effective. Consider if your child needs cold water throughout the day. |
| Kid-Friendly Lid | Easy-to-open lids with straws or bite valves help kids drink independently. Look for one-hand operation and a design that minimizes spills. Some lids have locks for extra security. |
Every product above was scored out of 10 on the same six-part rubric, then sorted into an S to C tier. We do not accept free units or payment for placement, and price or affiliate commission never factors into the score.
| Criterion | What we check | Weight |
|---|---|---|
| Core performance | The numbers that define the category: capacity, power, resolution, battery life, speed or output, taken from manufacturer specs and cross-checked against independent test data where it exists. | High |
| Build & reliability | Materials, warranty length, brand track record, and how often the model shows up in long-term failure or return complaints. | High |
| Real-world usability | Weight, dimensions, noise level, setup difficulty and day-to-day friction, drawn from owner reviews and published measurements. | Medium |
| Running cost | Ongoing costs beyond the purchase: subscriptions, consumables, energy use or maintenance, where they apply to the category. | Medium |
| Owner feedback | Patterns across aggregated verified owner reviews: recurring praise, recurring complaints, and whether the experience matches the marketing. | Medium |
| Value | What you get relative to the rest of the field at a similar price band, not an absolute price judgment. | Medium |
Sources: manufacturer spec sheets and manuals, retailer listing data, aggregated verified owner reviews, and published independent test results where available for the category.
Honesty note: We have not hands-on tested every product on this page. Where we have not personally used a product, its ranking is based on verified specs, aggregated owner feedback, availability and editorial comparison rather than a hands-on review. Hands-on impressions, when included in a product entry above, are clearly written from direct use.
We don't accept free units or payment for placement. Our rankings combine verified manufacturer specifications, real owner feedback and availability, compared on one transparent S to C rubric.