Microwave sterilizer that sterilizes baby bottles in 5 minutes with water. - Product Name: Jokin Jo-zu - Brand: Combi - Function: Microwave sterilizer - Size: Approximately 130mm x 130mm x 130mm - How to use: Add water and sterilize in the microwave for 5 minutes - Features: Economical and easy 3-step process - Accessories: Storage case I purchased this six months ago, but I received another one and didn't use this, so I am selling it. There is a slight dent on the upper right of the outer box.