10pcs 19mm & 21mm Breast Pump Flange Insert, with Nipple Ruler and Soft Ruler Silicone Flange Insert Replacement for S1/S2/S9/S10/S12 Breast Pump Guard Breast Pump Accessories

BULLET POINTS : 1 > Package Content: You will receive 10 pieces of flange inserts in 19mm and 21mm, 5 pieces each size, 1 double-sided nipple ruler (in centimeters and inches), and 1 soft ruler. convenient for new moms to find the correct size 2 > Premium Material: Our breast pump parts are made of premium silicone, BPA-free, food-contactable, soft, lightweight, and portable, you can use them without any worry 3 > Convenient Tool: This flange insert set can avoid the trouble of selection size. All mothers have nipple sizes that will change over time. Our set is suitable for all mums with nipple sizes up to 24mm 4 > Warm Note: These breast pump accessories are suitable for 24mm-25mm flanges. Warm Tips: Flange inserts are recommended to be replaced every 1 to 2 months 5 > Wide Application: Flange Inserts compatible with Momcozy S12 Pro/S9 Pro/S12/S9 hands-free breast pumps. Suitable for Spectra, and more 24mm breast pumps. Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including Momcozy and Spectra DESCRIPTION : Specification: Color: clear Material: silicone Product Size: flange diameter: 19mm, 21mm; nipple ruler: 18x10cm/7.1x3.9in Package details: 10 x flange inserts 1 x nipple ruler 1 x soft ruler Note: Due to manual measurement, the size and weight may have a certain error. Due to the difference between different monitors, there may be a slight color difference existed