This is a microwave sterilizer that can sterilize baby bottles in 5 minutes using 2 cups of water. It can hold up to 3 bottles! You can sterilize bottles in 5 minutes by adding 2 cups of water to the included cap and microwaving them, which was a great help when feeding my baby every 3 hours. If anyone is interested in using it, please consider it. I also used it to sterilize baby food containers. - Brand: Combi - Function: Microwave sterilizer - How to use: Sterilize in 5 minutes with water Please check the photos for any limescale or scratches. I will ship it in this box. The instruction manual is also included!! Please understand that this item has been stored at home, so there may be some oversights. Thank you for your understanding.