Microwave sterilizer that easily sterilizes baby bottles with just water. - Brand: Combi - Product Name: Jokin Jo-zu - Function: Microwave sterilization - How to use: Easy sterilization with just water - Time required: 5 minutes - Features: Economical and hassle-free - Condition: Unused, with packaging Thank you for viewing. I took it out of the box after purchase, but it is otherwise unused.