Munchkin Stay Cool Water Bottle
The Munchkin Stay Cool Water Bottle holds 12 oz and comes apart into 4 pieces, per Munchkin. A 12 oz insulated bottle with a flip-top lid, built-in valve and carrying handle, labeled for 24+ months.
- 12 ozHolds
- YesInsulated
- 24+ monthsAge
- $9.99List price
How the Stay Cool Water Bottle stacks up
Against the 34 insulated and stainless kids' cups we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for insulated and stainless kids' cups (10 oz to 15 oz).
Below the typical range for insulated and stainless kids' cups ($14.99 to $26.95).
What sets the Stay Cool Water Bottle apart
Measured against the 34 insulated and stainless kids' cups we compare, from each maker's published specs.
- Capacity: 12 ozin the middle half of the 28 insulated and stainless kids' cups that publish it (10 oz to 15 oz)
Next to its closest matches
- Owala Kids' TumblerNext to it, the Stay Cool Water Bottle is 3 oz less capacity.
- b.box 12oz insulated water bottle for kidsNext to it, the Stay Cool Water Bottle is $17 less.
Cup at a glance
As Munchkin lists it.
| Drink style | straw |
|---|---|
| Capacity | 12 oz |
| Leaks (maker's words) | built-in spill-proof valve |
| Valve | Yes |
| Insulated | Yes |
| Age on the label | 24+ months |
Parts and cleaning
| Parts to clean | 4 |
|---|
Listed features
- Fits most cup holders
- Semi-transparent body shows how much is left
- Maker lists four pieces to clean
Worth checking
- Maker gives no hours-cold figure
- Maker does not say whether the valve or straw come out
Where to buy the Stay Cool Water Bottle
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Teeth and cups: see the AAP's first tooth page. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Munchkin Stay Cool Water Bottle | |
|---|---|
| Type | Insulated or stainless kids' cup |
| List price | $9.99 |
| Capacity | 12 oz |
| Drinks from | straw |
| Spills | "built-in spill-proof valve", per the maker |
| Valve | Yes |
| Parts to clean | 4 |
| Insulated | Yes, per the maker |
| BPA-free | Yes, per the maker |
| Age | 24+ months |
| Maker's use notes | To increase flow, gently massage the straw and underside vent valve. |
Compare the Stay Cool Water Bottle with
How each closest rival differs from the Stay Cool Water Bottle, from the makers' specs.
- YETIRambler Jr. 12 oz Kids Water Bottle12 ozCompare side by side
- OwalaKids' Tumbler15 oz
- 3 oz more capacity
- b.box12oz insulated water bottle for kids$2612 oz$26.95
- $17 more
- MunchkinCool Cat Stainless Steel Straw Cup, 8oz8 oz15 hr cold
- 4 oz less capacity
Stay Cool Water Bottle: questions answered
From Munchkin's published specs, last checked 2026-11-11.
Is there lead in the Munchkin Stay Cool Water Bottle?
The maker doesn't make a lead statement on its product page.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More insulated and stainless kids' cups
- Zak DesignsKelso Insulated Tumbler, 12 oz.$1412 oz$14.99
- Skip HopSpark Style Stainless Steel Straw Bottle12 oz
- LaloStainless Toddler Cup$1712 oz$17.99
- CamelBakEddy+ Kids 12 oz Bottle, Insulated Stainless Steel12 oz10 hr cold
- MunchkinMiracle 360° Stainless Steel Sippy Cup, 10 Ounce10 oz15 hr cold
- ReduceColdee 14 oz Kids Tumbler14 oz18 hr cold
Where these specs come from
Last checked 2026-11-11. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.