MAM Anti Colic is the ideal bottle for an easy switch between breast and bottle thanks to the patented Silk teat which is silky soft and provides a familiar feel for babies. Market Research confirmed that 94% of babies accepted the teat making it perfect for when mum wants to be a bit more flexible. Thanks to the innovative vented base there is an even drinking flow so that babies can remain calm and relaxed without swallowing air helping to reduce colic in 80% of cases. The Anti Colic Bottle self-sterilises in 3 easy steps ensuring simple safe bottle cleaning at home or on the go. Product Features - Reduces colic thanks to the vented base - Self-sterilising in the microwave - Easy switch between breastfeeding and bottle - Silk Teat - Very Easy Cleaning - BPA FREE - 0+ Months - Slow Flow Teat Self-sterilising The Anti-Colic can be transformed into a self-sterilising bottle in 3 simple steps. Thereby making further sterilisation unnecessary. Always clean bottle parts before using the sterilising function! Step 1: For the self-sterilisation of the Anti-Colic assemble clean bottle parts in the following way: bottle base with valve, screw ring with teat, bottle body and protective cap. Step 2: Measure 20ml of cool water using the protective cap and pour into the bottle base with valve. Step 3: Place the screw ring with teat in the bottle base with valve. Place the bottle body over it. Do not screw together. Place the protective cap on top. Step 4: Place into microwave.