Paruu Portable Breast Milk Cooler, 304 Stainless Steel

Paruu Portable Breast Milk Cooler is a non-electric, double-walled stainless steel chiller for transporting breast milk with ice and water. Its three storage configurations offer different milk capacities, while the claimed cooling time depends on the milk’s starting temperature and the amount of ice used.

At a glance

Three configurations let you choose between separate inner-bottle storage and a larger single-bottle capacity.
Cooling requires ice and water. The manufacturer says performance varies with initial milk temperature and ice quantity.
The inner bottle is listed as dishwasher safe, and the wide-mouth opening is intended to ease filling and cleaning.

Price

$27.98Save 15%

Reference price: ~~$32.99~~

Price checked: Nov 12, 2026

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Often bought together

Paruu Portable Bottle Warmer for Travel, Easy-Clean Wide Mouth, Portable Milk Warmer with Fast Heating for Night Feeding, 7-Temp Control, Large 12oz Capacity, Ideal Gifts for New Parents, Blue

$54.99

Paruu P16 Replacement Full Set Collector Cup, Only Compatible with P16 Wearable Breast Pump (150ml, 24mm Flange), Original Accessories, 1 Set

$21.99

Pros and cons

Pros

Non-electric design does not require batteries or a power cord.
Three cooling and storage modes accommodate different ways to separate the milk from the ice-water chamber.
The claimed maximum 22oz milk capacity is available when the inner bottle is removed.

Cons

Using the cooler requires adding and replenishing ice and water, so it is not a self-powered cooling solution.

Technical specifications

11 specifications

Cooling and operation
Cooling time claim	up to 23 hours
Cooling method	When ice and water are added to the outer bottle and milk to the inner bottle
Ice-water temperature guidance	2–5°C ice water
Hot-water limit	Do not add hot water exceeding 140°F.

Storage configurations
Outer bottle with inner bottle holding milk	outer bottle with ice&water + inner bottle holds 10oz milk
Inner bottle holding ice and water	inner bottle with ice&water + outer bottle holds 12oz milk
Inner bottle removed	remove inner bottle for maximum 22oz chilled breast milk storage

Materials and care
Bottle material	304 stainless steel
Other materials	BPA-free plastic components, and food-grade silicone
Cleaning	the inner bottle is fully dishwasher safe

Portability
Holder fit claim	fits securely in standard car cup holders and stroller cup holders

What to know before buying

Listing details to confirm

Cooling time is conditional, not a guaranteed duration: the listing claims up to 23 hours but also describes 14–23 hours, and says results vary with initial milk temperature and ice quantity. It recommends ice cubes, crushed ice, and 2–5°C ice water for best results. The title says 10-24oz, while the mode details specify 10oz, 12oz, or maximum 22oz. Treat the 24oz capacity and exact cooling duration as unconfirmed and check the selected listing. The listing also advises removing, cleaning, disinfecting, and fully drying the silicone gasket after use, and reducing ice if the middle lid will not close.

Who is it for?

A good fit for

Breastfeeding parents who need a non-electric cooler for outings, road trips, or daycare drop-offs and can prepare it with ice and water.
Buyers who want distinct storage modes, including a larger stated capacity when the inner bottle is removed.

Less suited to

Anyone who needs powered cooling or cooling without preparing ice and water.
Anyone whose required capacity is specifically 24oz, since the detailed mode capacities stop at 22oz.

Paruu Portable Breast Milk Cooler, 304 Stainless Steel · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 127 ratings

5 stars85%85%
4 stars7%7%
3 stars4%4%
2 stars0%0%
1 star4%4%

Aggregate ratings lean strongly toward five-star scores, but a smaller share is one-star and there is no customer-comment summary to explain the differences. Ratings alone do not establish how well the conditional cooling claim or the different storage modes work in practice.

Frequently asked questions

Does this cooler need power?

No. The listing describes a non-electric cooler without batteries or power cords. Cooling uses ice and water.

How much milk can it hold?

The detailed modes specify 10oz in the inner bottle, 12oz in the outer bottle, or maximum 22oz when the inner bottle is removed. The title also says 10-24oz, so the 24oz figure is inconsistent with the mode details.

How long does it keep milk cold?

The listing claims up to 23 hours and also describes 14–23 hours. Actual cooling time depends on initial milk temperature and ice quantity, so the maximum is not guaranteed.

Can the inner bottle go in the dishwasher?

The listing says the inner bottle is fully dishwasher safe. It separately advises removing and cleaning the silicone gasket after each use, then drying it completely before reinstalling.