Can you not store milk in these? Looking for a way to keep my son's soy milk cold without lugging an ice pack.

You can definitely put milk in this thermos, but to keep it ice cold you need a water bottle ice pack (the myColdCup ones on Amazon). These work really well because the ice pack is put *inside* the thermos (rather than a bulky ice pack outside), so it does not need to be nearly so big to have the same cold effect. One ice pack in this 12 oz thermos will keep the milk really ice-cold for more than 8 hrs. He will love it!

is this bottle leakproof?

Yes, is is leakproof. If the top is screwed on correctly (not misthreaded) and the straw is pulled through tight, it will NOT leak. The few times we’ve had it leak is due to user error. Though it will obviously leak (little dribbles) if the top is not closed and the bottle is turned upside down or laid on its side. For reference, we’re probably going to buy this for the third time in two years because it keeps getting lost. It’s leak proof and easy to clean (no mold).

Can this bottle be filled with hot water and keep the water warm for hours?

No. It says that ON THE BOTTLE. It’s not for hot liquids

Can i use it for milk

Yes, this could be used for milk, or any other cod beverage.

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❄️ Stay cool, sip smart – hydration just got heroic!

GERM FREE SIPPING - Pop-up straw with hygienic cover keeps germs at bay and cleans easily
12 HOUR CHILL POWER - Vacuum insulation locks in icy freshness all day long
KID APPROVED EASY CARRY - Lightweight with a soft-touch handle for on-the-go hydration
DISHWASHER SAFE CONVENIENCE - Designed for busy parents who want quick, hassle-free cleaning
RUGGED STAINLESS STEEL ARMOR - Built tough to survive every playground adventure

The THERMOS FUNTAINER 12oz Stainless Steel Kids Straw Bottle features advanced vacuum insulation technology that keeps drinks cold for up to 12 hours. Crafted from durable 18/8 stainless steel, it withstands daily drops and rough use. Its kid-friendly design includes a lightweight build, soft-touch carry handle, and a hygienic covered pop-up straw that’s removable for easy cleaning. Dishwasher safe for parental convenience, this bottle is the perfect hydration companion for active kids who want style and function in one.

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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Brand	THERMOS
Capacity	340 g
Colour	Blue Paw Patrol
Special Feature	Double Wall, Leakproof, Lightweight
Age Range (Description)	Kid
Model Name	FUNTAINER 12 Ounce Bottle Licensed
Item Weight	0.5 Pounds
Material	Stainless Steel
Number of Items	1
Pattern	Bottle
Included Components	kids water bottle
Product Care Instructions	Dishwasher Safe
Base Diameter	2.7 Inches
Cap Type	Straw Cap
With Lid	Yes
Is Dishwasher Safe	Yes
UPC	041205750338
Manufacturer	Thermos
Department	unisex-adult
Country of Origin	USA
Item model number	F4104PP6
ASIN	B08Z7S6T3J

THERMOS FUNTAINER 12 Ounce Stainless Steel Vacuum Insulated Kids Straw Bottle, Blue Paw Patrol

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