Nuvita Sterilization bags, 5 pc, Bottle and Dummy Sterilisers For Kids, How to make absolutely sure that your baby bottles and dummies are actually squeaky clean? Simple – use the Nuvita Sterilization bags bottle and dummy steriliser. This device uses high temperatures, which is a reliable and time-tested method many parents swear by. Characteristics: for all types of microwave ovens suitable for travelling How to use: Select the right power setting on the microwave according to instructions, set the timer and switch the oven on.