You will receive 2 pieces of flange inserts 21mm. The sufficient quantity can meet your daily use and replacement needs.

100% BPA-Free Material: Our breast pump accessories are made of food-grade silicone material, All pump parts that come in contact with breast milk are BPA-free. It's safe, soft, and odorless, you can use them with confidence, giving you peace of mind about your baby's milk.

Comfortable and Efficient Pumping: The correct size of your flange insert is important for comfort and efficient pumping. Some moms experience nipple swelling while milking, so it's important to observe the appearance of the nipple during pumping. If your nipple rubs or feels squeezed in the flange channel, it is an unsuitable flange size and you need to replace the right size flange insert.

Compatible with Most Wearable Breast Pumps: Our flange inserts can be used with most 24mm shields, They reduce the 15-mm shield nipple tunnel down to the correct size and are compatible with any wearable breast pump, such as compatible with Momcozy S12 Pro/S9Pro/S12/S9 wearable breast pump.

Easy Clean: Wash pump parts are easy to clean and maintain, after each use with warm soapy water and rinse well, can be sanitized with steam, boiling water orbags, with a temperature of around 100 C (212 F).

What's in the box
1 x Pack of 2 Silicone Nipple Wearable Breast Pump Flange Insert - 21mm