Flange Insert 21Mm Compatible with S9/S10/S12 Parts, Hands-Free Breast Pump Shield/Flange Insert, Breast Pump Parts Replace(21Mm) -1 Pc

21mm Flange Insert: 21mm Flange Insert fits most of the wearable breast pumps on market, if the breast pump you used has these parts, then they can work, for example, the S12 wearable breast pump. Made of Silicone Material: Made from baby food grade silicone, very soft, safe, non-odor, BPA free, giving you peace of mind about your baby's milk. Easy to Clean: The 21mm flange insert replacement parts, are easy to be washed in water, recommend cleaning them via boiling or soaking in hot water within 1~5 minutes or before using and after using. Please Choose the Right Size Flange: The size of your flange is important for comfort and efficient pumping. While pumping, your nipple should not rub or feel squished inside the flange tunnel. After Sales Service: We are committed to providing mothers with the best breast pumps, accessories and customer service. If you have any problems during use, please contact us, and we will provide you with solutions. Why choose our Wearable Breast Pump flan