This is a Tommee Tippee electric steam steriliser. It can sterilise up to six bottles in five minutes. It uses steam to sterilise so no chemicals and is much quicker than some other methods. Although designed for Tommee Tippee bottle it does fit many other brands of bottle, soothers, breast pumps and other accessories. It is easy to use with just one button to press to start the cycle and it will stop automatically. Contents stay sterile inside for up to 24 hours if the lid is left in place. It is easy to keep clean and descale too. BPA free.