Thrive Flange Inserts for PowerPump Set & Wearable Cup Flanges

$4 ~~$7.99~~ In stock

A spare set of parts when you need them! Great to have on hand when you’re pumping away from home and need an extra set of clean parts. Or keep it on hand to replace parts that wear over time.

SOFT, FLEXIBLE RIMS

Comfortable on your skin

Thrive Flange Inserts for PowerPump Set & Wearable Cup Flanges to ensure a tight seal and maximize pumping efficiency. Made without BPA/BPS and has a soft, flexible silicone rim.

4 FLANGE INSERTS

Flanges fit for a queen

Getting the right fit can improve comfort and pumping efficiency, so we offer 4 flange insert sizes: 15 mm, 17 mm, 19 mm, and 21 mm.

Customer Reviews (5.0 / 5 · 5 reviews)

Samuel ★★★★★ Aug 30, 2026

Having an extra set in the diaper bag means no more frantic washing in the airport bathroom sink between pump sessions. They fit the wearable cups snugly and are easy to switch out when the day gets messy.

Abigail C. ★★★★★ Aug 30, 2026

The set has saved me more than once when I'm away from home and realize I forgot to wash the last set. These fit snugly into my wearable cups and there's no leaking or awkward shifting during a session. Just a solid spare set to keep in my bag.

Sophia C. ★★★★★ Aug 29, 2026

Pumping at my desk during a work trip, I realized I’d forgotten to wash my only set—having these spares in my bag saved the day. The flanges fit my wearable cups snugly, no leaks, and they’re easy to swap out mid-session. Definitely the kind of backup that makes you feel less stressed about the whol