The Baby Brezza One Step Sterilizer Dryer Advanced uses natural steam to kill 99.5% of germs, and it dries everything 33% faster. You can use it to sterilize and dry, just sterilize, just dry or as a storage system (items remain sterile for up to 24 hours if unopened.) The LCD control panel makes it easy to select your preferences. This model also has their largest capacityit can hold up to eight bottles and two complete pump part sets.