Sizing Inserts Bundle (Set of 5) – Willow Pump Skip to main content

25% off + free shipping on pumps

Up to 40% off pumping essentials

Your exclusive offer awaits! Sign up for email + SMS here

Sizing Inserts Bundle (Set of 5)

$99.95 $9.99
90% off
Sizing Inserts Bundle (Set of 5)
90% off
Sizing Inserts Bundle (Set of 5)

Sizing Inserts Bundle (Set of 5)

$99.95 $9.99
Find your perfect fit. Our silicone sizing inserts help to optimize output for moms who measure between 13 mm and 27 mm. Bundle includes set of five sizing inserts: 13mm, 15mm, 17mm 19mm and 27mm.
Sizing Inserts Bundle (Set of 5)

$99.95$9.99

Replacing Your Parts

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

Bundle & Save

Mom-approved bundles for breast care, milk storage, and pumping on the go
20% off

Mom On The Go Bundle

Pumping shouldn’t press pause on adventure. Wherever your travels take you, this pack of essentials ensure a comfortable and convenient pumping experience. Bundle includes Willow Wave Pump and Portable Breast Milk Cooler.
$74.98 $59.98
25% 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.
$75.97 $56.98
25% 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.
$47.97 $35.98
Travel Cleaning Duo
25% off

Travel Cleaning Duo

Everything you need to clean and care for your pumps on-the-go.
$57.00 $42.75