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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THERMOS FUNTAINER Water Bottle with Straw, 12oz, Blue

THERMOS FUNTAINER Water Bottle with Straw, 12oz, Blue

Product ID: 1322038

Details

Brand
THERMOS
Capacity
12 fluid
Color
Navy
Recommended Uses For Product
Water
Special Feature
Cold 12 Hours

💧Leak-proof flip-top straw

❄️Keeps drinks cold 12 hrs

🛡️Durable 18/8 stainless steel

THERMOS FUNTAINER Water Bottle with Straw, 12oz, Blue

Product ID: 1322038

Details

Brand
THERMOS
Capacity
12 fluid
Color
Navy
Recommended Uses For Product
Water
Special Feature
Cold 12 Hours

💧Leak-proof flip-top straw

❄️Keeps drinks cold 12 hrs

🛡️Durable 18/8 stainless steel

€ 38.66

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Sip Cool, Stay Ahead: The Ultimate Hydration Sidekick for Young Achievers

STAY CHILL ALL DAY - Vacuum insulation locks in cold for up to 12 hours—hydrate like a pro.
BUILT TO BRAVE THE DAY - Premium 18/8 stainless steel resists drops and dings—durability meets style.
CLEAN SAFE HYDRATION - Removable, hygienic silicone straw and dishwasher-safe design—effortless maintenance.
KID APPROVED CONVENIENCE - Push-button lid with integrated soft-touch handle—easy grip, easy sip.
TRUSTED LEGACY MODERN DESIGN - 120 years of Thermos innovation ensuring freshness and reliability every sip.

The THERMOS FUNTAINER 12oz water bottle combines advanced double-wall vacuum insulation to keep drinks cold for 12 hours with rugged 18/8 stainless steel construction designed for kids. Featuring a leak-proof flip-top lid with a hygienic, removable silicone straw and an integrated soft-touch carry handle, it’s lightweight, durable, and easy to clean. BPA-free and dishwasher safe, this bottle is a trusted hydration companion backed by Thermos’ 120-year heritage.

Specifications

Additional Features	Cold 12 Hours, Double Wall
Age Range Description	Kid
Asin	B00DAPQV0K
Base Diameter	3.1 inches
Best Sellers Rank	#66 in Kitchen & Dining (See Top 100 in Kitchen & Dining) #3 in Insulated Bottles
Brand Name	THERMOS
Cap Type	Flip Top Cap
Capacity	12 fluid ounces
Color	Navy
Customer Reviews	4.7 4.7 out of 5 stars (48,382) 4.7 out of 5 stars
Included Components	kids water bottle
Item Dimensions W X H	2.7"W x 6.9"H
Item Type Name	insulated-beverage-bottles
Item Weight	6.4 ounces
Manufacturer	Thermos LLC
Manufacturer Warranty Description	5 year manufacturer
Material Type	Stainless Steel
Model Name	FUNTAINER 12 Ounce Bottle
Number Of Items	1
Pattern	Solid Color
Product Care Instructions	Top Rack Dishwasher Safe
Recommended Uses For Product	Water
Theme	Color
Unit Count	1 Count
Upc	041205747079

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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