Independence Day Sale — up to 15% off WellBefore + 6% off everything else

Willow Breast Pump Sizing Insert Set
Willow Breast Pump Sizing Insert Set
Willow Breast Pump Sizing Insert Set

Authorized Reseller

Willow Breast Pump Sizing Insert Set
Willow Breast Pump Sizing Insert Set
Willow Breast Pump Sizing Insert Set

Packaging & appearance may differ

Photos are for general reference — the product description is the source of truth for exactly what you'll receive, so it's worth a quick read before ordering. Packaging, labeling, and appearance may vary from the images, and these cosmetic differences fall outside returns and refunds. If anything else about your order needs attention, our team is always happy to help.

Willow Breast Pump Sizing Insert Set

WellBefore
4.8
50,000+ Reviews

Special Offer

Independence Day Sale

June 25th - July 5th

Celebrate Freedom. Stay Protected.

6% OFF Flat Discount

Applied automatically at checkout

Size:
Select size first.
  • Flexible silicone construction for secure fit
  • Compatible with Willow® Go and Willow® 3.0 breast pumps
  • Designed for use with 24mm Willow flanges and containers
  • Improves fit for mothers needing smaller flange sizes
  • FSA eligible for qualified purchases
  • Available in multiple size options
Popular Choice

$15.19 $15.99 ($7.595 / pc)

Savings: $0.80 (5% Off)

HSA/FSA Eligible

Pay with your health savings account

Subject to guarantee terms, including a limit of one claim per customer per year.

How does this work?
No refunds, exchanges or returns
FREE Shipping on orders $79+
In Stock

As soon as

If you order in the next

pcs
  • Today

    $15.19*

  • Starting Jul 27, 2026

    $15.19* every month

*plus applicable taxes and shipping

Cancel anytime

Cancel your subscription anytime without penalties or fees.

Flexible schedule

Skip deliveries or adjust frequency anytime. Full control over your schedule.

Price: $15.99 ($7.995 / pc)

HSA/FSA Eligible

Pay with your health savings account

Subject to guarantee terms, including a limit of one claim per customer per year.

How does this work?
No refunds, exchanges or returns
FREE Shipping on orders $79+
In Stock

As soon as

If you order in the next

pcs

Love this product? Share it & earn 10% off

Your friends save up to 20% too →

  • Flexible silicone construction for secure fit
  • Compatible with Willow® Go and Willow® 3.0 breast pumps
  • Designed for use with 24mm Willow flanges and containers
  • Improves fit for mothers needing smaller flange sizes
  • FSA eligible for qualified purchases
  • Available in multiple size options

Check out also

Willow Breast Pump Sizing Insert Set

Silicone sizing inserts designed for Willow® Go and Willow® 3.0 breast pumps to help achieve proper flange fit for mothers who require sizes smaller than the standard 24mm flange.

Product Details

  • Made from flexible silicone material for a secure fit
  • Compatible with 24mm Willow flanges and containers only
  • Available in multiple size options to accommodate different needs
  • FSA eligible for qualified purchases

These inserts are designed to improve the fit and comfort of Willow breast pumps for mothers who need a flange size equal to or smaller than 21mm. The set provides sizing options to help achieve optimal pump performance and comfort during use.

We will get back to you as soon as possible.

virtual consultant in office

Why you should choose

  • COMPETITIVE PRICING

    We offer high-quality products at lower prices than Amazon. With bulk orders get a special discount for the ultimate deal.

  • OUTSTANDING
    CUSTOMER SUPPORT

    Our Wellness Advisors provide seamless support for all your queries, concerns, and order issues. Count on us hassle-free returns, refunds, and more.

  • FAST SHIPPING

    Based in Texas, our warehouse dispatches orders within 24 business hours, often delighting clients with early deliveries.

  • RETURN &
    REFUND POLICY

    To learn about our flexible return and refund policy, please click here.