The MAM Baby Easy Start 17 Piece Set features 6 Easy Start 160ml Anti Colic bottles with Size 1 teats, 6 Easy Start 260ml bottle bodies, a super soft bottle spout and handle, along with a handy newborn soother, and a slow and medium flow teat to customise baby's feeding time.The MAM Baby Easy Start Anti Colic bottle is especially unique, it self sterilises! Without the need for a steriliser, just add water and after three minutes in the microwave you have a sterilised bottle. So quick, so simple, and perfect for being out and about with baby or at home. Of course this is just one of the bottle's great features, it's the ideal baby bottle for an easy switch between breast and bottle thanks to the patented SkinSoftâ„¢ 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.The patented vented base of the MAM Baby Easy Start Anti Colic bottle ensures that babies can drink calmly and relaxed. The ventilation holes in the base regulate pressure balance and airflow and as the bottle ventilates via the bottom, milk flows undisturbed without air bubbles, feeding without interruption and therefore helping to reduce colic in 80% of cases**.*Market research 2009-2017, tested with 1,508babies.**Field study, Austria 2011, tested with 73 mothers of colicky babies/Market research, USA 2010, tested with 35 mothers of colicky babies.