LOZAEVE 16mm flange inserts to compatible with Spectra S1/S2, Bellababy, Elvie, Paruu R12 P10, Momcozy S9/S10/S12/M1 Wearable, Freemie, Evenflo, Maymom breast pump shields. It will reduce the 27-28mm nipple tunnel down to 16mm. Also fit for Medela (PersonalFit Flex, Harmony, Freestyle, Swing Maxi, Sonata, and Symphony) breast pump shields, It will reduce the 27mm nipple tunnel down to 16mm. 2pcs each pack.
BPA free, made of silicone material. Durable, clear, and comfortable. This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid nipple trauma or irritation.
Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 13-15mm(after a pumping session), or measure the circumference of nipple base about 34.54 - 40.82mm before a pumping session.
Great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output.
Ensure compatibility with the majority of handsfree bra styles. The original 27/28mm detachable shields can be used with most handsfree bra cups when the insert is inside. Slightly squeeze during use to ensure the insert fits snugly with the shield for optimal results.