【11 Size Options&Customized Comfort】: Our flange insert is available in an extensive range of 11 standardized sizes(12mm-22mm available), designed to accommodate evolving dimensional requirements throughout different breastfeeding stages.Reduces standard 24mm nipple tunnel to custom sizes, preventing painful friction during breastfeeding. ( tips:If you are...

【11 Size Options&Customized Comfort】: Our flange insert is available in an extensive range of 11 standardized sizes(12mm-22mm available), designed to accommodate evolving dimensional requirements throughout different breastfeeding stages.Reduces standard 24mm nipple tunnel to custom sizes, preventing painful friction during breastfeeding. ( tips:If you are...

【11 Size Options&Customized Comfort】: Our flange insert is available in an extensive range of 11 standardized sizes(12mm-22mm available), designed to accommodate evolving dimensional requirements throughout different breastfeeding stages.Reduces standard 24mm nipple tunnel to custom sizes, preventing painful friction during breastfeeding. ( tips:If you are...

【11 Size Options&Customized Comfort】: Our flange insert is available in an extensive range of 11 standardized sizes(12mm-22mm available), designed to accommodate evolving dimensional requirements throughout different breastfeeding stages.Reduces standard 24mm nipple tunnel to custom sizes, preventing painful friction during breastfeeding. ( tips:If you are...

【Perfectly Fit for eufy Breast Pump】：These Breast Pump Replacement Accessories Compatible with eufy Breast Pump E20/E10/S1/S1 Pro Wearable Breast Pump, ensuring a flawless fit and optimal performance for your breastfeeding needs. 【Valves-Closed&Anti-Blackflow Design】: Our breast pump accessories have the same function and design as...

【Updated Designing, Perfectly Fit&Efficiency】：The newly upgraded the shape of flange tunnel tunnel facilitates faster penetration of breast milk into the container and preventing backflow,ensures a perfect fit, improves milk output efficiency.We also add tiny handle on the top, make install and removal more easier...