The Avent Microwave Steam Steriliser is a quick and convenient way to sterilise your baby"s bottles at home or away. The ultra lightweight design fits in to the majority of microwaves can quickly sterilises bottles within 2 minutes. Opting to steam sterilise your baby bottles is proven to kill 99.9% of bacteria, and with the lid kept on, the Avent Steam Steriliser will keep contents completely sterile for up to 24 hours. This microwave steriliser is made from BPA-free materials and is compatible with all Phillips Avent products.