Tommee Tippee Natural Start Glass Starter Kit for Newborns 0-3 Months is a set of glass products for feeding your newborn baby up to 3 months.This set includes various anti-leak and anti-colic products:1 150 ml feeding bottle with slow-flow teats.2 250 ml feeding bottles with slow ...Tommee Tippee Natural Start Glass Starter Kit for Newborns 0-3 Months is a set of glass products for feeding your newborn baby up to 3 months.This set includes various anti-leak and anti-colic products:1 150 ml feeding bottle with slow-flow teats.2 250 ml feeding bottles with slow-flow teats.2 Medium-flow teats1 Night soother 0-6 Months1 Bottle and teat brushThese products facilitate the transition from breast to bottle. They are designed for a natural mouthfeed and have an anti-colic valve. These bottles are only compatible with natural start and closer to nature teats, and are not compatible with advanced anti-colic teats.BPA-free.