Milton Solo Travel Steriliser is a 2 in 1 microwave and cold water single bottle steriliser. Ideal for travel or overnight stays or when you're away from home Sterilisers in 2 minutes in the microwave and 15 minutes with cold water Includes a unique safety vent technology to increase the temperature inside the Solo for better sterilisation Innovative lay flat lip to fit all microwaves Watertight Contents stay sterile for 24 hours. Cold Water Sterilisation: you will need to add 1 Milton Anti Bacterial Tablet (sold seperately) The bottle can be left in the sterilising solution until you need to use it. When you have a used bottle simply clean it and immerse it in the solution. You can continue to add and remove bottles to the same solution for 24 hours. No rinsing required once the bottle is removed from sterilisation solution, it is ready to use Microwave Method: If the Milton Solo is left unopened after microwaving and the safety vent is closed, the bottle will remain sterile in the Milton Solo for up to 24hours. BPA free
