Momcozy Breast Pump Accessory for S9 Pro S12 Pro Breast Pump, Flange Insert 21mm, Made by Momcozy, 1Pc

<p>The Momcozy flange insert is designed for the Momcozy S9 Pro and S12 Pro wearable breast pumps. These flange inserts to compatible with Momcozy 24mm breast shields. It will reduce the 24mm flange nipple tunnel to a smaller size.</p> <p>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.</p> <p>These breast pump accessories are FSA HSA approved items, you can pay for FSA &amp; HSA eligible items through reimbursements from your plan administrator.</p>