Enhance Pumping Experience: Designed to make life easier for new moms, these duckbill valves are replacements for your M5 wearable breast pump, ensuring optimal suction and performance Compatibility: These duckbill valves and membranes are specifically crafted to fit seamlessly with the M5 wearable breast pump, helping you maintain performance and milk output Material: Made from silicone, these replacement parts are soft and odorless, enhancing the efficiency of your pumping sessions Easy Maintenance: After each use, clean the valves and membranes with warm water and rinse thoroughly. For sterilization, boil or steam at temperatures 100C for 5-10 minutes. Avoid microwave Comprehensive Replacement Set: This set includes 12 duckbill valves compatible with both M5 wearable pump and V1/V2 hand pumps, to meet all your replacement needs efficiently Specification: Size: 15x12x4cm / 5.91x4.72x1.57 inches Package Includes: 12 Duckbill Valves Note: 1. Please allow slight variation due to manual measurement. 2. Due to differences in monitor displays, the picture may not reflect the actual color of the item. 3. Wishing you a wonderful online shopping experience!