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NEW LAUNCH! Go x Splashguard - now 20% off

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NEW LAUNCH! Go x Splashguard - now 20% off

Shop up to 40% off breastfeeding essentials

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      Willow Go® Wearable Breast Pump

      Our bestselling pump — optimized for comfort and milk output, hospital-grade, and app-controlled. Ranked as #1 wearable breast pump by Babylist. Kit includes NEW Splashguard Containers and 21mm & 24mm flanges.
      Regular price $349.99 from $179.99
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      /per 
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      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 $399.99
      Unit price
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      Portable Breast Milk Cooler

      Our patent-pending cooler stores up to 16 oz of milk at a safe temperature for up to 24 hours.
      $39.99
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      3 colors
  • Breast Care
    • Silicone Wearable Breast Pump (3 oz)
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      Silicone Wearable 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 
    • Soothing Silver Nursing Cups
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      Soothing Silver Nursing Cups

      Our nursing cups are anti-inflammatory, anti-microbial, and antifungal to relieve nipple pain.
      $43.99
      Unit price
      /per 
    • Soothing Silver Nursing Cups
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  • Breast Pumps
  • Pumping Accessories
  • Breast Care
  • Breast Pumps
  • Pump Quiz
  • Willow Go vs. 360
  • 360 Milk Bags & Pump Parts
  • Go Backup Pump Parts
  • Willow Pump App
  • Pump Insurance Coverage

  • Shop All Pumps
  • Pumping Accessories
  • Pumping Essentials
  • Pump Carrying Case
  • Convertible Travel Backpack
  • Travel Cleaning Kits
  • Breastmilk Storage
  • Kindred Bravely Pumping Bras
  • Bundle & Save
  • Pump Parts
  • Go Backup Parts
  • 360 Backup Parts & Milk Bags
  • Subscribe & Save
  • Shop All Accessories
  • Breast Care
  • Soothing Silver Nursing Cups
  • Silicone Wearable Breast Pump
  • Cooling Gel Nipple Pads
  • Reusable Breast Pads
  • Catch-All Milk Cups
  • Lactation Massager
  • Supplements
  • Find Your Flow Feeding Kit
  • Shop All Care
  • Sale
  • Expert Tips & More
  • Willow App
  • Insurance
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  • Breast Pumps
    • Breast Pumps
    • Willow Go® Wearable Breast Pump
      21% off
      HSA/FSA

      Willow Go® Wearable Breast Pump

      Our bestselling pump — optimized for comfort and milk output, hospital-grade, and app-controlled. Ranked as #1 wearable breast pump by Babylist. Kit includes NEW Splashguard Containers and 21mm & 24mm flanges.
      Regular price $349.99 from $179.99
      Unit price
      /per 
      Willow 360® Wearable Breast Pump
      20% 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 $399.99
      Unit price
      /per 
    • Pump Quiz
    • Willow Go vs. 360
    • 360 Milk Bags & Pump Parts
    • Go Backup Pump Parts
    • Willow Pump App
    • Pump Insurance Coverage

    • Shop All Pumps

      • Insurance & HSA/FSA Eligible

      Use FSA/HSA reimbursements or purchase with insurance coverage. Verify eligibility.

  • Pumping Accessories
    • Pumping Accessories
    • Pumping Essentials
      • Pumping Essentials
      • Pump Carrying Case
      • Convertible Travel Backpack
      • Travel Cleaning Kits
      • Breastmilk Storage
      • Kindred Bravely Pumping Bras
      • Bundle & Save
    • Pump Parts
      • Pump Parts
      • Go Backup Parts
      • 360 Backup Parts & Milk Bags
      • Subscribe & Save
      • Shop All Accessories
    • Teal portable breast milk cooler on white background
      HSA/FSA

      Portable Breast Milk Cooler

      Our patent-pending cooler stores up to 16 oz of milk at a safe temperature for up to 24 hours.
      $39.99
      Unit price
      /per 
      3 colors

      • Insurance & HSA/FSA Eligible

      Use FSA/HSA reimbursements or purchase with insurance coverage. Verify eligibility.

  • Breast Care
    • Breast Care
    • Silicone Wearable Breast Pump (3 oz)
      New
      HSA/FSA

      Silicone Wearable 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 
      Soothing Silver Nursing Cups
      HSA/FSA

      Soothing Silver Nursing Cups

      Our nursing cups are anti-inflammatory, anti-microbial, and antifungal to relieve nipple pain.
      $43.99
      Unit price
      /per 
    • Soothing Silver Nursing Cups
    • Silicone Wearable Breast Pump
    • Cooling Gel Nipple Pads
    • Reusable Breast Pads
    • Catch-All Milk Cups
    • Lactation Massager
    • Supplements
    • Find Your Flow Feeding Kit
    • Shop All Care

      • Insurance & HSA/FSA Eligible

      Use FSA/HSA reimbursements or purchase with insurance coverage. Verify eligibility.

  • Shop By Need
    • Shop By Need
    • Best Sellers
    • What's New
    • Travel Must-Haves
    • Hospital Bag Essentials
    • Milk Storage
    • Leaking & Soreness
    • Bundle & Save
    • Shop By Collection

      • Insurance & HSA/FSA Eligible

      Use FSA/HSA reimbursements or purchase with insurance coverage. Verify eligibility.

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  2. Willow 360® Milk Container Insert Replacement Set (2-pack)

Willow 360® Milk Container Insert Replacement Set (2-pack)

Regular price $19.99
Unit price
/per 
HSA/FSA
Willow 360® Milk Container Insert Replacement Set (2-pack)
Willow 360® Milk Container Insert Replacement Set (2-pack)
HSA/FSA
Willow 360® Milk Container Insert Replacement Set (2-pack)
Willow 360® Milk Container Insert Replacement Set (2-pack)

Willow 360® Milk Container Insert Replacement Set (2-pack)

Regular price $19.99
Unit price
/per 
Designed to snap directly into our breast milk storage containers, optimizing comfort and output.
21mmwhat’s my size?

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Get In Touch

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 Contact Us

Support

  • FAQs
  • Help Center
  • Shipping & Returns
  • Warranty
  • Pump Sizing Guide
  • Located In Canada

Shopping

  • Pump Kits
  • Willow Go Accessories
  • Willow 360 Accessories
  • Bras
  • Bags & Cases
  • Body Care
  • Compare Pumps
  • Take Our Pump Quiz
  • Refer-A-Friend

Payment Options

  • Insurance Coverage
  • Affirm Payment Plans

Are you a teacher, first responder, healthcare worker, or in the military?
Explore preferred pricing

Company

  • Careers
  • Newsroom
  • Patents
  • Join Our Affiliate Program
  • Our Blog
Willow Pump logo

©2023 Willow Innovations, Inc. All rights reserved.
Willow and the stylized logos are trademarks of Willow Innovations, Inc.

Do Not Sell Or Share My Personal Information

Privacy Notice

Terms of Service

Terms of Sale
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  • Easy to insert into your Willow 360 hands free breast pump before use
  • Parts are dishwaser safe for easy cleanup (keep a spare set on hand to minimze watching between sessions!)
  • Food-grade silicone parts not made with BPA for a safer pumping experience

2 Willow 360 Milk Container Inserts

You can shop all Willow 360 accessories here.

Free shipping on orders $69+

US-Based Customer Care

Willow 360® Milk Container Insert Replacement Set (2-pack)
Willow 360® Milk Container Insert Replacement Set (2-pack)

$19.99
Quantity selected exceeds current stock

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Replacing Your Parts

For optimal output, replace every 90 days (or when you notice discomfort or signs of wear).

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Mom-approved bundles for breast care, milk storage, and pumping on the go

Breast Milk Storage Essentials
5% off

Breast Milk Storage Essentials

Everything you need for smart, safe, and mess-free milk storage––whether you're keeping the refrigerator organized or pumping on the go.
Regular price $75.97 $72.17
Unit price
/per 
Quantity selected exceeds current stock
Early Days Breastfeeding Bundle
15% off

Early Days Breastfeeding Bundle

Relieve discomfort or gently induce letdown - and safely store milk when you're done - with the two essentials that provide comfort and convenience in the early days and beyond.
Regular price $47.97 $40.77
Unit price
/per 
Quantity selected exceeds current stock
Travel Cleaning Duo
15% off

Travel Cleaning Duo

Everything you need to clean and care for your pumps on-the-go.
Regular price $57.00 $48.45
Unit price
/per 
Quantity selected exceeds current stock
Nursing Nipple Pain Kit
5% off

Nursing Nipple Pain Kit

Soothe sore, cracked, and irritated nipples with our bundle of healing essentials. Wear in-bra and feed with comfort!
Regular price $56.98 $54.13
Unit price
/per 
Quantity selected exceeds current stock

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