4PCS Flange Inserts 19MM, Compatible with KISSBOBO K5 Electric Breast Pump,Silicone Parts for Pumps

[Choosing the Right Flange Size Matters]Using the correct flange size ensures proper suction, improves comfort, and supports effective milk expression. An ill-fitting flange may cause discomfort or reduce efficiency. [Designed for a Comfortable, Natural Fit]Ergonomically shaped to conform to the breast, helping reduce nipple strain and simulate a more natural pumping experience. [Easy to Clean and Maintain]Designed for daily use. Simply wash with warm soapy water and rinse thoroughly. Suitable for steam, boiling water, or microwave steam bag sterilization. Avoid temperatures above 100°C (212℉). [Safe, BPA-Free Silicone Material]Made from high-quality, food-grade silicone that is BPA-free. Ideal for parts that come into contact with breast milk, offering peace of mind for moms. [Flexible and Durable Construction]The silicone design offers both softness and resilience, standing up to repeated use without losing its shape or effectiveness.