A device that easily sterilizes baby bottles with just water. - Brand: Combi - Product Name: Microwave Sanitization Device - How to Use: Simply add water and sterilize in the microwave - Features: Sterilizes in 5 minutes, comes with a storage case - Easy Steps: 1. Set the baby bottles 2. Add water 3. Microwave Thank you for viewing. I bought it new and haven't opened the contents.