Willow 360 Flanges 21mm (2ct) – Leak-Proof, Hands-Free Pumping

Willow 360 Flanges: Replacement Flanges for Leak-Proof, Hands-Free Pumping

Upgrade your Willow 360 or Willow 3.0 wearable breast pump experience with this 2-pack of 21mm replacement flanges. Designed to complement Willow’s spill-proof milk bags, these flanges help you pump confidently while staying mobile—whether you’re at home, commuting, or multitasking with your little one. The focus is on a clean, unobtrusive design that supports your pumping routine without getting in the way.

Find Your Perfect Fit

Product options include 21mm, 24mm, and 27mm sizes. Using Willow’s size chart helps you identify the best match for comfort and effective expression. A proper fit is a key step toward a smooth pumping session and reduced need for readjustment between uses.

• Sizes available: 21mm, 24mm, and 27mm for a customizable fit
• Reference Willow's size chart to determine the best match for your pumping rhythm

Clear, Convenient Design

The flanges use BPA-free materials and are dishwasher safe for straightforward cleaning. The transparent, clear color helps you confirm alignment, while the fast snap closure supports quick assembly so you can start pumping sooner.

• BPA-free and dishwasher safe for easy cleaning
• Clear color promotes nipple visibility for proper alignment
• Snap closure enables fast, hassle-free setup

Designed for Willow 360 and Wearable Pumping

These flanges are made to pair with the Willow 360 Wearable Breast Pump, enabling untethered pumping with hands-free convenience, and compatibility with Willow’s spill-proof milk bags for a more seamless pumping routine on the go.

Quality You Can Trust

Willow backs these flanges with a 90-day limited warranty. Since introducing Willow, hundreds of thousands of moms have integrated the brand into their pumping journeys, reflecting a record of ongoing use and support.

Care & Maintenance

• Easy to remove and clean
• Dishwasher-safe for quick cleanup

With consistent care, these flanges remain a dependable replacement option to keep your pumping routine moving smoothly and with minimal interruption.

Usage Scenarios

Use these flanges as a spare or replacement part to maintain hands-free pumping sessions during busy days, while traveling, or when you need a backup near your pumping setup. The combination of fit options and a clear design supports flexible use without committing to a single setup.