Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Wearable Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size

Compatible with Most Breast Pumps: LOTBILL flange insert is suitable for most wearable breast pumps and 24mm breast pump flanges/shields(not for 27mm and 28mm shield), such as it is compatible with Momcozy S12 Pro/S9 Pro/S12/S9/S10/Medela/Spectra/Willow/Elvie and other. Choosing Right Size: According to professional lactation consultants, a mother's nipple size can vary throughout the breastfeeding process. To avoid the hassle of unnecessary purchases of different flange insert sizes，we offer two combination, 10PCS: 13/15/17/19/21 mm, 6PCS: 17/19/21mm. Choosing the right size of pump flange inserts can help the breast milk to drain smoothly. If you discover the size is incorrect after purchase, please take advantage of the free replacement service offered by LOTBILL. Safety Material: Our silicone flange inserts are made of food-grade silicone material, which is BPA-Free. They offer a soft texture that conforms closely to your skin, promoting efficient milk expression without any foreign body sensation. Before use, the breast pump flange insert can be sterilized with steam, boiling water or microwave steam bags. It is very suitable for taking care of the health and safety of mothers and children. You can use it with confidence. Easy to Clean and Store: After each use, the replacement breast pump parts can be washed with mild soapy water, then rinsed with clean water. Once dry, it can be placed in a storage box to keep it clean and tidy. Replacement: Comfortable and suitable nipple flange insert can not only improve the efficiency of pumping, but reduce friction against the nipples or feels squeezed in the flange channel. Some moms experience nipple swelling while expressing，so it is also important to monitor the appearance of the nipples during pumping. To maintain optimal function, we recommend replacing the pump accessories every 2 months.