Munchkin Steam Guard Microwave Sterilizer Bags The Munchkin Steam Guard Microwave Sterilizer Bags are convenient sterilization devices. This set of six bags can be used to sterilize a wide variety of baby items like nipples, bottles, pacifiers and breast pump accessories. Each bag can be used up to 20 times. They also have a spot where you can mark them after every use. Why You"ll Love It: It makes sterilization of baby items very convenient. Features Twenty uses for each bag Bags have place to mark them after every use Easy way to sterilize Ideal for sterilizing nipples, pacifiers, bottles and breast pump accessories Cool-Touch grip enables handling without burning