Willow Breast Milk Storage, Pump Cases & Bags – Willow Pump

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- HSA/FSA
  
  25% 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.
  
  $299.99
  
  Unit price
  
  per
- New
  
  20% OFF
  
  Wave 2-in-1 Double Manual Wearable Breast Pump + Cups
  
  The first-ever 2-in-1 double manual pump with an ergonomic handle that also connects to your traditional pump for a hands-free experience—no charging required. Includes 24mm flange made of soft silicone for a smooth fit and optimal milk flow.
  
  $59.99
  
  Unit price
  
  per
Wearable Breast Pumps

Willow Go

Willow 360

Wave 2-in-1 Double Manual Pump + Collection Cups

Wave Single Manual Pump

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- New
  
  HSA/FSA
  
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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
  
  from $39.99
  
  Unit price
  
  per
  
  4 colors
- New
  
  HSA/FSA
  
  20% 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.
  
  from $10.99
  
  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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Wearable Electric Pumps
- Wearable Electric Pumps
- Willow Go
- Willow 360
- Pump Parts
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- Shop All Pumps
- HSA/FSA
  
  25% 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.
  
  $299.99
  
  Unit price
  
  per
  
  HSA/FSA
  
  25% OFF
  
  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.
  
  $499.99
  
  Unit price
  
  per
Wearable Manual Pumps
- Wearable Manual Pumps
- Silicone Wearable Passive Pump
- Wave Double Manual Wearable Pump + Cups
- Wave Single Wearable Manual Pump
- New
  
  20% OFF
  
  Wave 2-in-1 Double Manual Wearable Breast Pump + Cups
  
  The first-ever 2-in-1 double manual pump with an ergonomic handle that also connects to your traditional pump for a hands-free experience—no charging required. Includes 24mm flange made of soft silicone for a smooth fit and optimal milk flow.
  
  $59.99
  
  Unit price
  
  per
  
  HSA/FSA
  
  20% OFF
  
  Silicone Wearable Passive Breast Pump (3 oz)
  
  Designed to create consistent passive suction, our new pump can be worn to gently induce letdown and relieve discomfort.
  
  $15.99
  
  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
  
  20% 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
  
  from $39.99
  
  Unit price
  
  per
  
  4 colors
  20% 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
- 20% OFF
  
  Travel Cleaning Pack
  
  The all-in-one cleaning kit for pump parts, bottles, and more. Just add your favorite soap!
  
  $29.99
  
  Unit price
  
  per
  20% OFF
  
  Pump Anywhere Case
  
  Protect your pump on-the-go with our sleek, sturdy, and easy-to-clean carrying case.
  
  $39.99
  
  Unit price
  
  per
  
  1 color
Early Breastfeeding
- Early Breastfeeding
- Colostrum Collection Kit
- Breastfeeding Care Kit
- Hot & Cold Breast Therapy
- Reusable Breast Pads
- Cooling Gel Nipple Pads
- Breast Care
- Catch Cups
- Shop All Early Breastfeeding
- New
  
  HSA/FSA
  
  20% OFF
  
  Colostrum Collection Kit
  
  Developed in collaboration with lactation consultants, this kit includes the education and resources expecting and newly postpartum moms need to safely collect and store their first nutrient-rich breast milk. It’s an easy way to ensure peace of mind and prepare for baby’s arrival–no matter what the first few days look like. In addition to thoughtfully designed supplies, it also includes a step-by-step guide to help moms confidently collect and store colostrum.
  
  $24.99
  
  Unit price
  
  per
  
  New
  
  HSA/FSA
  
  20% OFF
  
  Breastfeeding Care Kit
  
  Everything you need to prioritize breast care and comfort, catch every drop of hard-earned breast milk, and feed with more confidence. Plus, every purchase includes access to a virtual appointment with an International Board Certified Lactation Consultant (IBCLC), as well as a free digital feeding course.
  
  $34.99
  
  Unit price
  
  per
What's New
- What's New
- 2-in-1 Manual Pump + Collection Cups
- Breast Milk Cooler
- Breast Pump Sizing Kit
- Milk Storage Bags + SmartStash™ Tracking
- Milk Bag Flatteners
- Breastfeeding Care Kit
- Colostrum Collection Kit
- New
  
  HSA/FSA
  
  20% 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.
  
  from $10.99
  
  Unit price
  
  per
  
  New
  
  20% OFF
  
  Wave 2-in-1 Double Manual Wearable Breast Pump + Cups
  
  The first-ever 2-in-1 double manual pump with an ergonomic handle that also connects to your traditional pump for a hands-free experience—no charging required. Includes 24mm flange made of soft silicone for a smooth fit and optimal milk flow.
  
  $59.99
  
  Unit price
  
  per
Sizing & Support
- Sizing & Support
- Breast Pump Sizing Kit
- Sizing Guide
- Pumping 101
- Mom Coaches
- Mom Resource Hub
- New
  
  HSA/FSA
  
  20% 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.
  
  $24.99
  
  Unit price
  
  per
  
  HSA/FSA
  
  20% 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.
  
  $19.99
  
  Unit price
  
  per
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Travel (3)
Milk Storage (4)

Travel (3)
Milk Storage (4)

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Breast Milk Cooler

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Breast Milk Cooler

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Breast Milk Storage Bags with SmartStash™ Tracking

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20% OFF

Breast Milk Storage Bags with SmartStash™ Tracking

from $10.99

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Breast Milk Bag Flatteners

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HSA/FSA

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Breast Milk Bag Flatteners

$24.99

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Glass Breast Milk Pitcher (32 oz)

20% OFF

Glass Breast Milk Pitcher (32 oz)

$19.99

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Pump Anywhere Case

20% OFF

Pump Anywhere Case

$39.99

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Pump Anywhere Bag

44% off

Pump Anywhere Bag

Regular price ~~$179.99~~ $99.99 44% off

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Pump, feed, pour, and store with confidence.

MILK STORAGE & THAWING GUIDELINES

How to Store Breast Milk: The Complete Guide

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Real-life support for real-life feeding

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.

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?

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

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

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

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Learn from our experts

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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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