MomMed Flange Inserts 21mm for MomMed/Momcozy/Tsrete 24mm Breast Shields/Flange, 21 mm Flange to Reduce 24mm Nipple Tunnel Down to 21 mm, 2Pack

?Compatible?MomMed 21mm flange inserts (Long) compatible with MomMed 24 mm silicone shields/flange. It will reduce the 24-mm shield/flange nipple tunnel down to 21 mm. Also compatible with Momcozy wearable 24mm silicone cups10?Note?Please follow the instructions in the picture to measure the diameter of the nipple and choose the right flange size. The size of your flange insert is important for comfort and efficient pumping. The right flange size will prevent breast milk leakage10?100% Safe?MomMed flange/shield is made of food-grade silicone. It's BPA-free, and skin-friendly for mommy and baby. The shield and flange are with a separate design so that you can easily wash every part of it10?Easy to install and Cleaning ?One-step installation and removal. Wash MomMed pump parts after each use with warm soapy water and rinse well it can be sanitized with water steam, boiling water, or microwave-steam bags10?More Accessories, More Love?If you’ll be pumping frequently, it pays to pick a replacement part that’s compatible with most portable electronic breast pumps. - MomMed provides you with more replacement parts and provides more choices for mothers with different nipple sizes