Flexible Rubber Membrane/Duckbill Valves Practical Membrane for Breast Features: This silicone diaphragm for breast pumps ensures efficient and comfortable milk collection, making it an essential accessory for nursing moms. Made from durable and odorless silicone, this diaphragm provides a reliable barrier between the and milk, preventing contamination and ensuring hygiene. Suitable for breastfeeding individuals, this diaphragm is most popular breast pumps on the market, offering convenience and versatility. It allows users to collect milk easily, saving time and energy. Whether at home or while traveling, this silicone diaphragm can be easily installed in your breast allowing you to discreetly and comfortably collect milk. It's perfect for busy individuals who need to collect milk during work breaks or trips. With its user friendly designs and reliable functionality, this silicone diaphragm makes collecting breast milk a Say goodbye to discomfort and hello to easy pumping, ensuring a smooth breastfeeding experience. Specifications: Material: silicone Standard: Membrane/duckbill valves(optional) Package Includes: 1xSilicone Membrane Or 1xDuckbill Valves Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_