Features: ensures the best performances of your wearable breast pump with our silicone duckbill valves and diaphragms. Produced from silicone, these replacement part are not toxic, odorless, and engineered to withstand frequent use while preventing milk leakage with their precisions fit. A must have for breastfeeding mother, especially those who rely on their electric breast pumps daily to provide the best nutritions for their baby. These essential accessories offer convenience and hygiene for pumping at home, in hospitals, or childcare facilities, ensuring mother can expressing milk comfortably wherever they go. Simple your breastfeeding routine with our easy to install silicone valves and diaphragms, making maintenance a breeze and giving you more time to bond with your little one. Specifications: Component: silicone Size: as picture showns Package Includes: 1 set Valves & Diaphragm note: Please allow 1 to 3cm error due to manual measurement, please sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual color of the item.