The unique shape of the vital baby® NURTURE? breast like feeding teat is designed to mimic the natural breastfeeding action. This will help to avoid confusion between breast and bottle, ensuring a comfortable and effective feed for your baby. The vital baby® NURTURE? breast like feeding teat has been expertly designed with advanced triple anti-colic valves to reduce air intake. The flexzone? area around the bottle teat allows the teat to stretch and flex just like mum?s breast, ensuring a comfortable and natural feeding experience for baby. Features: Expertly designed to mimic mum?s breast, the teat flexes like mum?s nipple Advanced triple anti-colic valves to reduce air intake Silicone is soft and smooth against baby?s delicate face Easy latch on teat