Flange Inserts 13/15/17/18/19/20/21mm 14PC Compatible with Momcozy S12 pro/S9

1 Package Dimensions : 4.72 x 3.43 x 3.31 inches; 2.86 ounces Item model number : 1 Date First Available : May 29, 2024 These breast pump accessories are only suitable for 24mm Shields/Flanges and cannot be used with other sizes of Shields/Flanges. Using coconut oil or nipple butter can reduce friction and make them easier to use.Compatibility with Momcozy S12 pro/S9 pro/S9/S10/S12 Wearable Breast Pump,example for Momcozy,TSRETE,Luxlady,HAUTURE,eulumap,CPPSLEE, Cupood,Fisroa,Goldeep,Zybeauty,PADRAM,HAHOME,Kompoll,OMFMF,Paruu,LRKHFFD,Mumeasy.This replacement part is also applicable to most other brands of the models for 24-25mm (Freemie),and compatible with MISSAA hands-free breastpump.The size of your flange insert is important for comfort and efficient pumping.Some moms have the experience of nipple swelling while milking, so it is important to observe the appearance of the nipple during pumping. The flange insert is recommended to be replaced every 1 to 2 months.Please choose the right size .BPA free,made of food-grade silicone,easy to clean.