Content: 8 pc duckbill valves Made by Tbuymax compatible with Momcozy M5 wearable breast pump,also for V1, V2 Hands Free Pumps. Same suction as OEM pump parts. Material Safety: BPA free and made from food-grade materials, giving you peace of mind about your baby's milk. Easy to Clean: Clean with soapy water and rinse with clean water. Do not use hard brushes. All items packaged in retail pack, sealed by manufacturer for best protection. CLOSE SYSTEM: No contact between milk and pump, which protectors your pump motor. 8 pc duckbill valves Made by Tbuymax compatible with Momcozy M5 wearable breast pump,also for V1 / V2 Hands Free Pumps. Replacement Pump Parts Accessories Compatible for Momcozy M5, Not Original Momcozy Pump Parts.