The Momcozy flange insert is designed for the Momcozy S9 Pro and S12 Pro wearable breast pumps. This flange inserts to compatible with Momcozy 24mm breast shields. It will reduce the 24mm flange nipple tunnel down to smaller size.

Your flange size has nothing to do with your breast size. The size of your nipples will determine your flange size. Some moms will experience nipple swelling while pumping, so it's important to observe how your nipples look during a pumping session. The size of your flange is important for comfort and efficient pumping.

Flange insert; 19mm; 1Pcs; for Momcozy S9pro & S12pro breast pump; Please choose the seller "Momcozy"
The authentic Momcozy 19 mm breast pump flange insert is suitable for use with Momcozy S9 Pro & S12 Pro wearable breast pump.(ONLY SUIT FOR S9/S12 Pro)
Safe & Adaptable - 100% BPA free, the silicone flanges are made of food grade silicone. Soft and odorless silicone, designed to better fit the shape of mom's breast and help milk flow more easily.
Easy Clean - Pump parts are easy to clean, after each use with warm soapy water, can be sanitized with water steam, boiling water or microwave-steam bags.
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. Please choose the right size flange.