Maymom Flange Inserts 17 mm for Medela and Spectra 24 mm Shields/Flanges. Use with Medela Freestyle and Sonata to Reduce Nipple Tunnel Down to 17 mm; 2pc/each

Maymom 17 mm inserts to use with Medela 24 mm shields. It will reduce the 24-mm shield nipple tunnel down to 17 mm. Great solution for small-nippled mothers using Medela freestyle, Medela Sonata, Medela Swing-Maxi pumps.
Maintain compatibility with most handsfree bra – Based on the Medela PersonalFit system. You can use most handsfree bra with your original 24 mm detachable shields having this insert inside.
Also fits freemie 25 mm cup to reduce it down two 17 mm.
BPA free, made of silicone material.