CREATES BETTER CLOSURE: Attach to Elvie Pump’s breast shields to create a hygienic closed system pumpSAFE: Food grade silicone seal components for use with Elvie Pump to create a closed system pump for maximum hygiene.EASY TO CLEAN: Dishwasher safe for easy cleaning and convenienceWHAT'S INCLUDED: 2 pack of Breast Pump Seals - for use with Elvie Pump, the world's first silent wearable breast pumpWARRANTY: To be used exclusively with Elvie Pump. Backed by a limited manufacturer’s warranty against any defects in materials or workmanship for 90 days. The warranty does not cover purchases from non-authorized resellers.