The MAM Easy Start Microwave Steam Steriliser and Anti-Colic Bottle Set comes with a microwavable steriliser that cleans in five minutes and hygienically stores for up to 48 hours when sealed.The six self-sterilising bottles can also be cleaned in the microwave in only 3 minutes, making essential maintenance quick and easy.Self-Sterilising Anti-Colic Bottle Set Anti-colic ventilated bottles with silky soft teats provide a smooth flow of milk, which prevents babies from swallowing air. With three 160ml bottles and three 260ml bottles, this set progresses in size as your infant grows, providing greater volumes of milk.Easy Start Steam Steriliser The MAM Easy Start Microwave Steriliser fits up to six MAM bottles comfortably across two levels. The compact design allows for easy storage when not in use, and when kept sealed, the steriliser can hygienically store your freshly cleaned feeding accessories for up to 48 hours, keeping your spaces clutter free.