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 12 Ounce Stainless Steel Vacuum Insulated Kids Straw Bottle, Purple/Pink

Product ID: 352944073

Details

Brand
THERMOS
Capacity
340 g
Colour
Purple/Pink
Recommended uses for product
Water
Special features
Cold 12 Hours

🚰Hygienic covered pop-up straw

❄️Keeps drinks cold 12 hrs

🛡️Durable 18/8 stainless steel

€ 48.13

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Description

❄️ Sip Cool, Play Hard – The Ultimate Kids’ Hydration Sidekick!

CLEAN GERM FREE - Removable, covered straw design ensures hygienic sipping and easy cleaning to keep germs at bay.
STAY CHILL ALL DAY - Vacuum insulation locks in cold for a full 12 hours, keeping drinks refreshingly cool from morning till afternoon.
EFFORTLESS HYDRATION - Push-button lid with a soft-touch carry handle makes sipping and carrying a breeze for little hands.
BUILT TO BRAVE THE ROUGH - Premium 18/8 stainless steel construction resists drops and dings, perfect for active kids on the go.
DISHWASHER SAFE DURABILITY - Designed for busy parents—easy to clean and maintain with dishwasher-safe materials built to last.

The THERMOS FUNTAINER 12 Ounce Stainless Steel Kids Straw Bottle combines advanced vacuum insulation technology to keep drinks cold for up to 12 hours with rugged 18/8 stainless steel durability. Designed with kid-friendly features like a push-button lid, soft-touch carry handle, and hygienic covered straw, it’s the perfect companion for active kids. Dishwasher safe and backed by a 5-year warranty, this bottle ensures clean, cool hydration wherever the day takes them.

Specifications

ASIN	B08VFCQ3T8
Additional Features	Cold 12 Hours, Double Wall, Push Button Lid, Vacuum Insulated
Age Range Description	Kid
Base Diameter	2.7 Inches
Best Sellers Rank	#1,670 in Kitchen ( See Top 100 in Kitchen ) #32 in Insulated Bottles
Brand Name	THERMOS
Cap Type	Straw Cap
Capacity	340 g
Color	Purple/Pink
Customer Reviews	4.7 4.7 out of 5 stars (52,142)
Included Components	Bottle and Lid
Is Oven Safe	No
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions W x H	7.9W x 17.5H centimeters
Item Type Name	FUNTAINER 12 Ounce Bottle
Item Weight	6.34 Ounces
Manufacturer	THERMOS
Manufacturer Warranty Description	Limited 5 year manufacturer
Material Type	Stainless Steel
Model Name	FUNTAINER 12 Ounce Bottle
Number of Items	1
Pattern	Bottle
Product Care Instructions	Machine Wash
Recommended Uses For Product	Water
Theme	Color
UPC	041205751823
Unit Count	1.0 Count
With Lid	Yes

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€ 48.13

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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