"The microwave steam sterilizer can be used to sterilize baby bottles and other products in just 2 minutes, killing 99.9% of germs and bacteria. The exact length of the cycle depends on the wattage of your microwave, of course. 2 minutes at 1200-1850W, 4 minutes at 850-1100W, 6 minutes at 500-800W.The microwave steam sterilizer is proven to kill 99.9% of germs and bacteria.Contents remain sterile for up to 24 hours if the lid is unopened.Kills 99.9% of harmful germs,Sterilizes in 2 minutes,Fits 4 Philips Avent bottles,Fits most microwaves

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