Sterilizing bottles, breast pump parts and other accessories has never been easier than with the new! Baby Brezza One step sterilizer. It sterilizes with natural steam. The one step sterilizer has the highest capacity of any sterilizer, holding 8 bottles and 2 full pump part sets from any brand. It's also modular and includes several bins and trays allowing you to use it 4 different ways based on your needs. Products remain sterilized for up to 24 hours or until the lid is opened. It easy to use with a single on/off button..