A Japanese-made sterilizer that easily sterilizes baby bottles in the microwave with water. - Product Name: Jokin Jo-zu (Sterilization Master) - Product Type: Microwave Sterilizer - Features: Sterilizes small parts together - Country of Manufacture: Made in Japan - How to Use: Add water and sterilize in the microwave - Compatible Size: Holds 3 baby bottles Thank you for viewing. The tape on the box has been removed, but the product inside is unopened and brand new!! I received this as a gift, but I haven't had the opportunity to use it, so I am offering it for sale.