Willow: Wearable Breast Pump – Willow Pump

Breast Milk Cooler

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$20 $49.99 In stock

Category: Milk Storage

Meet the Breast Milk Cooler that cools faster and stays colder for up to 24 hours vs. leading milk coolers.* 

The cool kind of convenience.

Travel stress-free knowing our Breast Milk Cooler keeps milk chilled at a safe temperature for up to 24 hours.

Learn More

Keeps milk at a safe temperature for up to 24 hours

2 sizes hold up to 
16 oz. or 25 oz. milk

Two ways to cool

Ice core stays in bottle for sanitary milk transfer

Fits in most cupholders

TSA compliant & travel friendly

Cools faster. Stays colder.*

Now with two ways to cool, this newly redesigned, on-the-go essential makes travel a cinch.

*Compared to leading milk coolers in Eurofins 2026 controlled, third-party testing

Two ways to cool. 
Endless peace of mind.

No fridge? No problem. Our new Breast Milk Cooler makes it easy to chill milk on the go with ice cubes or an ice pack.

How long does breast milk last?

How to thaw & warm safely

How to store breast milk on-the-go

Customer Reviews (5.0 / 5 · 2 reviews)

Abigail S. ★★★★★

Pumped before a long road trip and the milk was still ice cold when we arrived at grandma’s 12 hours later. The 24-hour cooling claim actually holds up, which is a huge relief for someone who’s paranoid about spoilage.

Madison X. ★★★★★

I was worried about keeping milk cold during a long day out, but this cooler held ice packs for a full 24 hours without any issue. The fast cooling is a game-changer for my pumping sessions.

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