DescriptionManufactured especially for wearable electric breast pump. It can help collect breast milk, bring more conveniences. Made of food grade silicone material, they are safe and durable as well as practical for use. Its all surfaces are smooth with no burrs, which has no harm to skin, safe to use.Features-Material: Silicone. - 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 wearable electric breast pump. Easily meet your different needs. - Its all surfaces are smooth with no burrs, which has no harm to skin, safe to use. - Clean it with soapy water and rinse with clean water. Do not use hard brushes.