--- product_id: 638287305 title: "Portable Breastmilk Cooler - Keeps Breast Milk Cold for 24 Hours - Stainless Steel - Insulated - Reuseable - Breastfeeding Essentials - Storage Container w/Gel Ice Pack - Pink - 16oz" price: "¥9734" currency: JPY in_stock: true reviews_count: 10 url: https://www.desertcart.jp/products/638287305-portable-breastmilk-cooler-keeps-breast-milk-cold-for-24-hours store_origin: JP region: Japan --- # Fits standard car cup holders Built-in gel ice pack lid Keeps milk cold 24 hrs Portable Breastmilk Cooler - Keeps Breast Milk Cold for 24 Hours - Stainless Steel - Insulated - Reuseable - Breastfeeding Essentials - Storage Container w/Gel Ice Pack - Pink - 16oz **Price:** ¥9734 **Availability:** ✅ In Stock ## Summary > ❄️ Stay cool, stay confident—milk storage made effortless! ## Quick Answers - **What is this?** Portable Breastmilk Cooler - Keeps Breast Milk Cold for 24 Hours - Stainless Steel - Insulated - Reuseable - Breastfeeding Essentials - Storage Container w/Gel Ice Pack - Pink - 16oz - **How much does it cost?** ¥9734 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/638287305-portable-breastmilk-cooler-keeps-breast-milk-cold-for-24-hours) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **24-Hour Chill Power:** Keeps breast milk safely below 59°F for a full day—no ice needed. - • **Leakproof & Hygienic:** Secure lid with separate gel pack prevents spills and contamination. - • **Perfect On-the-Go Size:** Compact 16oz capacity fits most diaper bags and car cup holders effortlessly. - • **Trusted by 300,000+ Moms:** Medical tech-designed for busy professionals who demand reliability. - • **Sleek Stainless Steel Design:** Durable, double-walled insulation with a discreet water bottle look. ## Overview The Willow Portable Breastmilk Cooler is a sleek, insulated stainless steel container designed to keep up to 16oz of breast milk chilled below 59°F for 24 hours using a built-in gel ice pack. Its compact, leakproof design fits in most car cup holders and diaper bags, making it the trusted choice for over 300,000 moms seeking reliable, on-the-go milk storage without the hassle of ice cubes. ## Description desertcart.com: Willow - Portable Breastmilk Cooler - Keeps Breast Milk Cold for 24 Hours - Stainless Steel - Insulated - Reuseable - Breastfeeding Essentials - Storage Container w/Gel Ice Pack - Pink - 16oz : Baby Review: Best Newborn/ Pumping Purchase EVER!! Highly Recommend - This is a must have for pumping moms. I wish I got this sooner or added to my registry. This is perfect for pumping when the weather is above 40 degrees and when you are on the go, or are unsure if you’ll be home within that four hour window and need to keep your breast milk cold (or at a safer temperature) until ready to use it. It is also great for storing your milk at work, or while traveling. It is thin enough to fit in cup holders and sides of diaper bags, work bags. It looks subtle, like many popular water bottles these days. It is easy to put together and apart. It cleans easily as well. The ice pack doesn’t take up much room in the freezer either. All pieces fit together snug and well so you don’t have to worry about spillage of milk or air/ other things getting in, and you’re good if it tips over too on accident for that reason. The only thing to consider is if you are a breast milk over producer, keep in mind this size fits up to 16 oz per the product info. If you think you will pump more than that in a single session, or work day, you may want to find a bigger one or bring additional storage measures to keep your milk safe. If you produce 16 oz or less in a day, pump session, or while you’re gone between storing your milk with fridge access, for the price point this is a NO BRAINER! Again, I would recommend it to anyone who fits those parameters, will suggest to others to put on their registries and will be using again with future kids! I am also thinking it can double its use as our little one grows when they’re no longer taking breast milk, as just a general thermos for snacks, juices, water, or other items needing to be kept cold! Review: Thoughtfully designed cooler that makes pumping on the go more convenient - I purchased the Willow Portable Breast Milk Cooler to safely store breast milk while pumping away from home, and it has been a reliable solution for short outings and busy days. I’ve used this cooler after pumping during errands, appointments, and times when I didn’t have immediate access to a refrigerator. It fits Willow milk containers perfectly and keeps milk cold for several hours without needing ice packs or extra prep. I like that it’s truly grab-and-go — there’s nothing to freeze ahead of time, which is a huge plus when you’re juggling pumping, schedules, and kids. The cooler itself feels well made and durable. It has a solid, structured design that protects the containers inside, and the lid seals securely so I don’t worry about leaks or temperature loss. It’s also compact enough to fit inside a tote or diaper bag without taking up too much space, which makes it more practical than a traditional bulky cooler. What I like most: • Keeps breast milk cold for several hours • No ice packs required • Designed specifically to fit Willow containers • Compact, sturdy, and easy to transport • Simple to use with no setup Things to consider: • Capacity is limited, so it works best for shorter trips rather than all-day pumping • The price is higher than basic coolers, but you’re paying for the convenience and compatibility Cleaning has been easy so far, and the materials feel like they’ll hold up to regular use. For me, the convenience and peace of mind outweigh the cost, especially when pumping on the go can already feel stressful. Overall, this cooler does exactly what it’s meant to do and has made transporting milk much simpler. I’d recommend it to Willow pump users who want a reliable, hassle-free way to keep milk cold while out running errands, at work, or during short travel days. ## Features - Our Willow breast milk chiller holds up to 16 oz (473 ml) of breast milk, that’s 3 to 4 pumping sessions on average; Made of durable, double walled stainless steel - Built-in gel ice pack sits inside lid to remain separate from breast milk and cools milk without the need for ice cubes - Stores breast milk at a safe temperature, below 59 degrees Farenheit for up to 24 hours - Sleek and discreet design looks just like a water bottle and fits in most car cup holders; Loop top handle for easy carrying - Trusted and True: Designed by the best in medical tech, Willow pumps and accessories are made with moms in mind; Join the 300,000 moms who have brought Willow into their homes and lives ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D7NPM7TP | | Batteries required | No | | Best Sellers Rank | #2,979 in Baby ( See Top 100 in Baby ) #26 in Breastmilk Containers | | Care instructions | Wipe with a damp cloth and dishwasher-safe | | Customer Reviews | 4.1 4.1 out of 5 stars (777) | | Item Weight | 1.87 pounds | | Item model number | MilkCooler | | Material Composition | Stainless Steel | | Number Of Items | 1 | | Product Dimensions | 4 x 4.5 x 11 inches | ## Product Details - **Brand:** Willow - **Color:** Pink - **Number of Items:** 1 - **Product Care Instructions:** Wipe with a damp cloth and dishwasher-safe - **UPC:** 810104130660 ## Images ![Portable Breastmilk Cooler - Keeps Breast Milk Cold for 24 Hours - Stainless Steel - Insulated - Reuseable - Breastfeeding Essentials - Storage Container w/Gel Ice Pack - Pink - 16oz - Image 1](https://m.media-amazon.com/images/I/41VN1kfyQrL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: How many ounces of breast milk does the Portable Breast Milk Cooler hold?** A: The Willow Portable Breast Milk Cooler holds up to 16 ounces of breastmilk. (That's 3-4 pumping sessions' worth of milk on average.) **Q: Are the cooler parts dish-washer safe?** A: You can put the stainless steel Cooler vessel and the Lid with Handle into the dishwasher. We recommend hand-washing the Ice Pack. **Q: How long can I keep my breast milk in the cooler?** A: You can put the stainless steel Cooler vessel and the Lid with Handle into the dishwasher. We recommend hand-washing the Ice Pack. **Q: How long should I put the Ice Pack in the freezer before putting it in the Cooler?** A: For optimal results, put ice pack in freezer for at least 8 hours, and ideally up to 12 hours. **Q: Is the cooler compliant with TSA travel requirements?** A: Yes! TSA regulations state that any medical necessary gel ice packs are exempt from liquid travel restrictions in any state (eg. melted, slushy), and with or without the presence of breast milk. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best Newborn/ Pumping Purchase EVER!! Highly Recommend *by O***E on March 16, 2026* This is a must have for pumping moms. I wish I got this sooner or added to my registry. This is perfect for pumping when the weather is above 40 degrees and when you are on the go, or are unsure if you’ll be home within that four hour window and need to keep your breast milk cold (or at a safer temperature) until ready to use it. It is also great for storing your milk at work, or while traveling. It is thin enough to fit in cup holders and sides of diaper bags, work bags. It looks subtle, like many popular water bottles these days. It is easy to put together and apart. It cleans easily as well. The ice pack doesn’t take up much room in the freezer either. All pieces fit together snug and well so you don’t have to worry about spillage of milk or air/ other things getting in, and you’re good if it tips over too on accident for that reason. The only thing to consider is if you are a breast milk over producer, keep in mind this size fits up to 16 oz per the product info. If you think you will pump more than that in a single session, or work day, you may want to find a bigger one or bring additional storage measures to keep your milk safe. If you produce 16 oz or less in a day, pump session, or while you’re gone between storing your milk with fridge access, for the price point this is a NO BRAINER! Again, I would recommend it to anyone who fits those parameters, will suggest to others to put on their registries and will be using again with future kids! I am also thinking it can double its use as our little one grows when they’re no longer taking breast milk, as just a general thermos for snacks, juices, water, or other items needing to be kept cold! ### ⭐⭐⭐⭐⭐ Thoughtfully designed cooler that makes pumping on the go more convenient *by K***R on December 14, 2025* I purchased the Willow Portable Breast Milk Cooler to safely store breast milk while pumping away from home, and it has been a reliable solution for short outings and busy days. I’ve used this cooler after pumping during errands, appointments, and times when I didn’t have immediate access to a refrigerator. It fits Willow milk containers perfectly and keeps milk cold for several hours without needing ice packs or extra prep. I like that it’s truly grab-and-go — there’s nothing to freeze ahead of time, which is a huge plus when you’re juggling pumping, schedules, and kids. The cooler itself feels well made and durable. It has a solid, structured design that protects the containers inside, and the lid seals securely so I don’t worry about leaks or temperature loss. It’s also compact enough to fit inside a tote or diaper bag without taking up too much space, which makes it more practical than a traditional bulky cooler. What I like most: • Keeps breast milk cold for several hours • No ice packs required • Designed specifically to fit Willow containers • Compact, sturdy, and easy to transport • Simple to use with no setup Things to consider: • Capacity is limited, so it works best for shorter trips rather than all-day pumping • The price is higher than basic coolers, but you’re paying for the convenience and compatibility Cleaning has been easy so far, and the materials feel like they’ll hold up to regular use. For me, the convenience and peace of mind outweigh the cost, especially when pumping on the go can already feel stressful. Overall, this cooler does exactly what it’s meant to do and has made transporting milk much simpler. I’d recommend it to Willow pump users who want a reliable, hassle-free way to keep milk cold while out running errands, at work, or during short travel days. ### ⭐⭐⭐⭐⭐ Great for working moms on the go! *by K***A on March 7, 2026* This saved me through out my pumping journey! I regret not buying this with my first. Fit perfectly in my pump bag and kept my milk cold throughout the whole work day. Easy to clean. I unfortunately dropped mine within the first week of buying it and got some dents on it but it did not affect the function what so ever. Supper happy with my purchase! ## Frequently Bought Together - Willow - Portable Breastmilk Cooler - Keeps Breast Milk Cold for 24 Hours - Stainless Steel - Insulated - Reuseable - Breastfeeding Essentials - Storage Container w/Gel Ice Pack - Pink - 16oz - Breast Pump Wipes by Dapple Baby, Hypoallergenic & Powered by Plants, Removes Milk Residue, Leaves No Taste, Convenient Wipes Pouch, Fragrance Free, 25 Count (Pack of 3) - Lansinoh Breastmilk Storage Bags, 100 Count, Baby Essentials, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Superior Strength & Stretch, 6 Ounce --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/638287305-portable-breastmilk-cooler-keeps-breast-milk-cold-for-24-hours](https://www.desertcart.jp/products/638287305-portable-breastmilk-cooler-keeps-breast-milk-cold-for-24-hours) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-04*