Sterilising protects your baby from harmful bacteria this philips avent steriliser uses the hospital method of steam sterilisation which is quick easy and effective with no chemicals involved the philips avent microwave steriliser has been designed to fit most microwaves in the market its small size makes it convenient for travel ensuring that you always have a sterile bottle when you are going on a short overnight trip or on a longer holiday abroad it holds up to 4 bottles at once and