(Device name: Baby Breeze) Natural steam sterilization, kills 99.9% of germs according to the company. * 💨 Automatic hot air drying after sterilization, so you don't need to dry the bottles by hand. * 🌬 HEPA filter for the air used in drying, to reduce the entry of dust and particles during drying. For your information / used only once, almost new With complete accessories and its box is very clean.