The authentic Momcozy wearable breast pump 15/17/19/21mm flange insert accessories are suitable for use with 24mm Flange/Shield of Most Pumps. The set meets the nipple size changes within the size range of mothers at different stages of lactation.

Easy cleaning, wash Momcozy breast pump parts after each use with warm soapy water and rinse well. Please use boiling water/steam, with a temperature of around 100°C (212°F).

BPA-free, made of food-grade silicone material. All Momcozy pump parts that come in contact with breast milk are BPA-free, giving you peace of mind about your baby's milk.

Made for moms, by moms. We've committed our lives to providing the best breast pumps, accessories, education, and customer care that we can, supporting every mother with the beauty of parenthood. Meeting moms pump wherever without hassle needs.

The size of the flange insert is significant for comfortable and efficient pumping. Some moms experience nipple swelling while expressing, so it is advisable to observe the appearance of the nipple during pumping. It is an unsuitable flange size and you need to replace the right size flange insert.