Simple, speedy and neat, the microwave steam steriliser takes just 4 minutes. It has room for 4 tommee tippee or 6 ordinary wide neck bottles or six standard neck bottles. The hinged lid means condensation runs back inside the unit and for extra safety the lid is lockable to keep out prying fingers. The lid converts into a unique sterile surface for hygienic bottle preparation. The sterilser also doubles as a cold water steriliser. In use as a cold water steriliser it will hold 3 tommee tippee bottles or 6 ordinary wide neck bottles. If left in the sterilising solution, contents remain sterile for up to 24 hours.