Sterilization bags for 20 people, eliminating 99% of the most common bacteria and germs. For microwave use only. 1 unit 20 applications Can be used with toothbrushes baby bottles Teats Menstrual cups dummy Instructions: 160 ml drinking water Add water to the bag Place the items in the bag. Seal the bag tightly. Follow the microwave instructions and times provided. Wait two minutes let off steam Drain the water through the steam outlet.