Willow 360® Backup Container Bundle

$50 ~~$100~~ In stock

Category: Backup Pump Parts

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

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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 (4.6 / 5 · 5 reviews)

Victoria P. ★★★★★ Aug 30, 2026

I've been swapping these out every 90 days like clockwork and the difference in suction is honestly noticeable. The fit is snug against the flange, so no leaks, and having the bundle means I'm never scrambling for a spare when one starts feeling worn.

Andrew ★★★★★ Aug 29, 2026

The 90-day replacement schedule is easy to track with these, and the fit feels snug without any pinching. I got the bundle so I’m never scrambling when a part wears out, which has been a lifesaver during late-night pumps.

Miles Q. ★★★★★ Aug 23, 2026

Replacing the parts every 90 days felt like a hassle, but having the bundle ready to swap in means I never lose a session to a worn flange. The fit is snug and the pump's output stayed strong right up to the last day before I swapped them. Just wish the storage bag was a bit bigger, but the convenie