Nipple Ruler for Flange Size Measuring Tool Silicone Soft Breast (10PCS 13/15/17/19/21mm)

【Flange Insert】High Quality Food Grade Silicone Inserts Set - Includes 2 pieces of each size 13/15/17/19/21mm (10pcs in total), providing 5 graduated size options for personalized comfort during pumping sessions. 【Flange Size Kit】Complete Breast Care Solution - Equipped with nipple measuring ruler, cleaning brush and reusable soft silicone insert. Scientifically designed measuring tools help to achieve a perfect fit of the flange. 【Breastfeeding Pump Parts】Universal Compatibility - Works with most 24mm flange systems/screen of major brands of breastfeeding pumps (Note: not compatible with 27-28mm screens). Ideal replacement accessory for daily pump maintenance. 【NEW MOM ESSENTIAL】Nipple Measuring Ruler - New moms may be confused when choosing a bridle or breastfeeding pump screen to prevent pain. Fortunately, our silicone measuring ruler - soft, safe, non-toxic, comfortable - gives you complete protection. The latest nipple measuring ruler for a perfect fit. 【How to measure】Place the silicone measuring ruler on the edge of one side of the nipple and observe the nipple size by looking in a mirror, taking a photo or placing the nipple in the larger circle for comfortable insertion without force. It is recommended to measure and adjust the flange regularly, and measure each nipple separately with the measuring tool.