Compact and easy to use the microwave steam steriliser keeps contents sterile for up to 24 hours if the lid remains closed delivers 4 sterile bottles in 4 8 minutes chemical free sterilising kills 999 of household bacteria new compact space saving design is ideal for home or travel always bpa free for your ultimate reassurance every moment you share with your baby is precious so the less time you spend prepping and cleaning the more time you have to spend with baby