Maymom Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Nipple Tunnel Down to 17 mm; 2pc/Each

Maymom Flange Insert - Pioneer of the Design and Innovation of Flange Insert Size Reduction Gadget Easily and quickly reduce large- sized flange to customized one.

Personalized size available ranged from 10 mm to 24 mm* in small increments for pumping comforts and performance.* Maymom Flange Insert 24 mm is designed for Spectra 28 mm Hands Free Collection Cup.

Designed for Smooth Milkflow The triangular cut on the Insert allows for smooth milkflow into the bottle.

Durable Construction The rim is specifically designed to be soft for the breast and strong enough to endure frequent pulls and washes.

Also good for elastic long nipples due to LONGER nipple tunnel Safeguard against Milk Backflow The additional collar surrounding the insert ensures