Willow: Wearable Breast Pump – Willow Pump

Willow Sizing Insert Set (2-pack)

Willow Sizing Insert Set (2-pack) - Main image
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$9.99 $19.99 In stock

Category: Accessories

2-Pack

Designed for the perfect fit and performance with Willow, Sizing Inserts make pumping more comfortable for mamas with smaller flange sizes.

Replacing Your Parts

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

How long does breast milk last?

How to thaw & warm safely

How to store breast milk on-the-go

Before you pay

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Lily ★★★★★

These inserts are a lifesaver for my smaller flange size. They fit snugly into the pump parts and make every session noticeably more comfortable. I've been using them for two weeks and my pumping output actually feels more consistent, too.

Daniel J. ★★★★★

These inserts finally made pumping bearable for me; the smaller flange size means no more chafing or that awful tugging sensation. Having the two-pack is a lifesaver when one needs washing mid-day.

Grace Y. ★★★★★

I was worried the standard flange would be too big, but these inserts fit snugly and create a perfect seal. Pumping is much more comfortable now, and the set of two is a nice bonus.

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