Are you looking for professional, yet affordable breast pump replacement valves ? Are you in search of a sturdy, trustworthy tool that can complete its works perfectly? If yes, look no further Our anti backflowvalvesmust meet your needs. It is one of the best choices for you. Features - Color: Transparent. - Material: Silicone. - Size:3.20X2.50X2.50cm/1.26X0.98X0.98in. -Manufactured with premium silicone material, durable and practical to use. - High-quality silicone material ensure the safety and heath for both baby and parent. - It is suitable for manual breast pump machine. Easily meet your different needs. - Its all surfaces are polished with no burr, no harm to skin, safe to use. - Clean it with soapy water and rinse with clean water. Do not use hard brushes.Packing list: 24 x Breast Pump Parts