Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms. Safe and Gentle: Made from BPA-free, food-grade silicone, these flanges are soft, cushioned, and gentle on sensitive skin while supporting efficient milk flow.
