Features: Achieve efficient and safe breast pumping with these silicone membranes. They provide excellent sealing to prevent milk leakage. Easy to clean and replace, these membranes ensures a hygienic breastfeeding experience. Their designings allows for extended use without deformation/discoloration. Suitable for lactation consultants, breastfeeding mother, and women in need of breast pumps. Perfect for daily breastfeeding and nursing in various setting such as homes, hospitals, and baby stores. These membranes meet the demands of efficient milk extractions. Experience convenience & comfort with these silicone membranes. Trust their compatibility for best pumping experience. Specifications: Component: silicone Size: about 1.5x3.3x6.2cm/0.6x1.3x2.4inch Package Includes: 1xSilicone Membrane note: Please allow 1 to 3cm error due to manual measurement, please sure you not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual color of the item.