Medela Quick Clean Microwave Bags provide a convenient sterilization solution for breast pump parts and accessories. Each pack contains 5 reusable microwave sterilizer bags that eliminate 99.9% of common bacteria and germs, with each bag capable of up to 20 uses for a total of 100 sterilization cycles. Key features: • Pack of 5 reusable microwave sterilizer bags • Each bag can be used up to 20 times (100 uses total) • Eliminates 99.9% of common bacteria and germs • BPA-free materials • Quick 3-minute sterilization cycle • Compatible with Medela breast pump parts and accessories The Quick Clean Microwave Bags provide a fast and effective way to sterilize breast pump components, bottles, and accessories. Simply add water and place items in the bag, then microwave for approximately 3 minutes (time may vary by microwave). The steam sterilization process helps ensure equipment is safely sanitized between uses. Each bag features a usage tracking system to monitor the number of times it has been used.