🍼 LOZAEVE 18mm Flange Inserts for 28mm Maymom/Spectra S1, S2 & 27mm Medela PersonalFit Flex, Harmony, Freestyle, Swing Maxi Breast Shields - Reduce Nipple Tunnel Size to 18mm, 2pcs Review

LOZAEVE 18mm flange inserts to compatible with Spectra S1, S2 / Freemie / Maymom 28mm breast shields. It will reduce the 28mm nipple tunnel down to 18mm. Also fit for Medela (PersonalFit Flex, Harmony, Freestyle, Swing Maxi, Sonata, and Symphony) 27mm breast cups. Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 15-17mm(after a pumping session), or measure the circumference of nipple base about 40.82 - 47.10mm 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. 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. Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 27/28mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect.