Breast Milk Storage Solutions for Pumping Moms – Willow Pump

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Save 40% on Willow Go (code: VIP40)

Must-have accessories now up to 44% off

Save 40% on Willow Go (code: VIP40)

Must-have accessories now up to 44% off

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- HSA/FSA
  
  40% OFF
  
  Willow Go® Wearable Breast Pump
  
  Our best-selling pump, powered by innovative ComfortFlow™ technology for more milk output. Customizable hospital-grade suction, app-controlled, and ranked #1 Wearable Breast Pump by Babylist, this top seller is perfect for multitasking moms. Kit comes with 21, 24mm flanges & 5 oz SplashGuard™ containers.
  
  Regular price ~~$349.99~~$244.99 30% off
  
  Unit price
  
  per
- 30% OFF
  
  HSA/FSA
  
  Willow 360® Wearable Breast Pump
  
  Willow 3.0 is now 360. 100% leak-proof, hospital-grade, app-controlled, and supported by 360 Care. Comes with 21mm inserts & 24mm flanges.
  
  Regular price ~~$499.99~~$349.99 30% off
  
  Unit price
  
  per
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  Breast Milk Cooler
  
  Meet the Breast Milk Cooler that cools faster and stays colder for up to 24 hours vs. leading milk coolers.* Plus, with new sizes, colors, and two ways to cool, this patent-pending Cooler safely and stylishly lets moms store milk wherever the day takes them.
  *Compared to leading milk coolers in Eurofins 2026 controlled, third-party testing
  
  Regular price ~~$39.99~~from $29.99 25% off
  
  Unit price
  
  per
  
  4 colors
- New
  
  HSA/FSA
  
  25% OFF
  
  Breast Pump Sizing Kit
  
  Find your perfect breast pump flange fit with a wide range of inserts designed for maximum pumping comfort and milk output.
  
  Regular price ~~$24.99~~$18.74 25% off
  
  Unit price
  
  per
2-in-1 Double Manual Pump + Collection Cups

Breast Milk Cooler

Milk Bags with SmartStash™ Tracking

Milk Bag Flatteners

Breastfeeding Care Kit

Universal Breast Pump Sizing Kit

Colostrum Collection Kit
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- HSA/FSA
  
  40% OFF
  
  Willow Go® Wearable Breast Pump
  
  Our best-selling pump, powered by innovative ComfortFlow™ technology for more milk output. Customizable hospital-grade suction, app-controlled, and ranked #1 Wearable Breast Pump by Babylist, this top seller is perfect for multitasking moms. Kit comes with 21, 24mm flanges & 5 oz SplashGuard™ containers.
  
  Regular price ~~$349.99~~$244.99 30% off
  
  Unit price
  
  per
  
  New
  
  HSA/FSA
  
  25% OFF
  
  Willow Wave Manual Breast Pump
  
  A must-have for every nursing mom: The only wearable in-bra manual pump with an ergonomic handle and hospital-strength, two-phase suction - no charging required. Includes 24 mm flange made of soft silicone for a smooth fit and optimal milk flow.
  
  Regular price ~~$34.99~~$26.24 25% off
  
  Unit price
  
  per
Milk Storage
- Milk Storage
- Milk Cooler
- Glass Milk Pitcher
- Milk Storage Bags + SmartStash™ Tracking
- Milk Bag Flatteners
- Shop All Storage
- New
  
  HSA/FSA
  
  25% OFF
  
  Breast Milk Cooler
  
  Meet the Breast Milk Cooler that cools faster and stays colder for up to 24 hours vs. leading milk coolers.* Plus, with new sizes, colors, and two ways to cool, this patent-pending Cooler safely and stylishly lets moms store milk wherever the day takes them.
  *Compared to leading milk coolers in Eurofins 2026 controlled, third-party testing
  
  Regular price ~~$39.99~~from $29.99 25% off
  
  Unit price
  
  per
  
  4 colors
  25% OFF
  
  Glass Breast Milk Pitcher (32 oz)
  
  Designed to simplify fridge storage, make milk transfer mess-free, and help you combine your pumped milk throughout the day.
  
  $19.99
  
  Unit price
  
  per
Travel & On-the-Go
- Travel & On-the-Go
- Pump Anywhere Case
- Travel Cleaning Pack
- Dapple Cleaning Kit
- 3-in-1 Convertible Backpack
- Shop All Travel
- 25% OFF
  
  Travel Cleaning Pack
  
  The all-in-one cleaning kit for pump parts, bottles, and more. Just add your favorite soap!
  
  Regular price ~~$29.99~~$22.49 25% off
  
  Unit price
  
  per
  33% OFF
  
  Pump Anywhere Case
  
  Protect your pump on-the-go with our sleek, sturdy, and easy-to-clean carrying case.
  
  Regular price ~~$59.99~~$39.99 33% off
  
  Unit price
  
  per
  
  1 color
Early Breastfeeding
What's New
- What's New
- 2-in-1 Manual Pump + Collection Cups
- Breast Pump Sizing Kit
- Breast Milk Cooler
- Milk Storage Bags + SmartStash™ Tracking
- Milk Bag Flatteners
- Breastfeeding Care Kit
- Colostrum Collection Kit
- New
  
  HSA/FSA
  
  25% OFF
  
  Breast Milk Storage Bags with SmartStash™ Tracking
  
  Same high-quality bag, new top-quality tech. Our durable, leak-proof bags are now designed with a scannable, AI-enabled code to auto-input your milk bag information into your digital stash in the Willow app. However you choose to pour and store, you’ll finally have the control and peace of mind you crave.
  
  Regular price ~~$10.99~~from $8.24 25% off
  
  Unit price
  
  per
  
  New
  
  HSA/FSA
  
  25% OFF
  
  Breast Milk Bag Flatteners
  
  Optimize breast milk storage with our new Breast Milk Bag Flatteners, designed to help you neatly and efficiently organize every last drop.
  
  Regular price ~~$24.99~~$18.74 25% off
  
  Unit price
  
  per
Sizing & Support
- Sizing & Support
- Breast Pump Sizing Kit
- Sizing Guide
- Pumping 101
- Mom Coaches
- Mom Resource Hub
- New
  
  HSA/FSA
  
  25% OFF
  
  Breast Pump Sizing Kit
  
  Find your perfect breast pump flange fit with a wide range of inserts designed for maximum pumping comfort and milk output.
  
  Regular price ~~$24.99~~$18.74 25% off
  
  Unit price
  
  per
  
  HSA/FSA
  
  25% OFF
  
  Willow Sizing Insert Set (2-pack)
  
  Our silicone sizing inserts help to optimize output for moms who measure between 13 mm and 27 mm.
  
  Regular price ~~$19.99~~$14.99 25% off
  
  Unit price
  
  per
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Milk Storage (7)

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Breast Milk Cooler

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25% OFF

Breast Milk Cooler

Regular price ~~$39.99~~ from $29.99 25% off

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Smart Storage Bundle

25% OFF

Smart Storage Bundle

Regular price ~~$35.98~~ $26.98 25% off

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Breast Milk Bag Flatteners

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HSA/FSA

25% OFF

Breast Milk Bag Flatteners

Regular price ~~$24.99~~ $18.74 25% off

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Breast Milk Storage Bags with SmartStash™ Tracking

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HSA/FSA

25% OFF

Breast Milk Storage Bags with SmartStash™ Tracking

Regular price ~~$10.99~~ from $8.24 25% off

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Glass Breast Milk Pitcher (32 oz)

25% OFF

Glass Breast Milk Pitcher (32 oz)

$19.99

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Breast Milk Cooler Ice Pack

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HSA/FSA

25% OFF

Breast Milk Cooler Ice Pack

Regular price ~~$14.99~~ $11.24 25% off

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Glass Breast Milk Pitcher Duo

20% OFF

Glass Breast Milk Pitcher Duo

$39.98

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Limited edition stickers FREE with every Milk Cooler!

Meet our NEW Breast Milk Cooler that cools faster and stays colder* for up to 24 hours.

Pump, feed, pour, and store with confidence.

WILLOW IS THE ONLY LEADING PUMP BRAND FOUNDED AND BASED IN THE U.S. THAT’S A TEAM BUILT OF WOMEN INNOVATING FOR WOMEN.

WILLOW IS THE ONLY LEADING PUMP BRAND FOUNDED AND BASED IN THE  U.S. THAT’S A TEAM BUILT OF WOMEN INNOVATING FOR WOMEN.

Inventor of the first wearable breast pump in 2017

US-based, clinically tested, and FDA approved.

120+ patents and 5 trademarks

World-class smart technology

Pumping, revolutionized

Pumping, revolutionized

Before Willow, an efficient, empowering, comfortable, and convenient pumping solution didn’t exist. So we created one.

Before Willow, an efficient, empowering, comfortable & convenient pumping solution didn’t exist. So we created one.

Why buy direct from Willow?

Free Shipping

Free shipping on all pump orders - delivering pumping freedom to your front door!

Exclusive Savings

Save on pumps with insurance, HSA/FSA or installments starting at just $29.*

Superior Care

Willow ranks #1 in customer satisfaction, the highest rating for any breast pump brand.*

2-Year Warranty

Get peace of mind with a 2-year protection plan on your pump, only available here.

Learn from our experts

View All blog posts

Seven Must-Haves to Pack in Your Pumping Bag

Seven Must-Haves to Pack in Your Pumping Bag

Breastfeeding & pumping

Introducing the Glass Breast Milk Pitcher

Introducing the Glass Breast Milk Pitcher

Breastfeeding & pumping

Comparing Passive Pumps & Catch Cups: Which is Right for You?

Comparing Passive Pumps & Catch Cups: Which is Right for You?

Breastfeeding & pumping

Tips from an LC: How to Optimize Your Milk Supply When Pumping

Tips from an LC: How to Optimize Your Milk Supply When Pumping

Breastfeeding & pumping

Willow Launches New Pumping and Feeding Accessories to Expand Support to Breastfeeding Mothers

Willow Launches New Pumping and Feeding Accessories to Expand Support to Breastfeeding Mothers

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