Our soft and anti-collapse ribbed teat is designed for growing babies. The comfort petals and natural teat shape allows natural latch on and makes it easy to combine breast and bottle feeding. The wide breast-shaped teat promotes a natural latch on similar to the breast, making it easy for your baby to combine breast and bottle feeding. Bite resistant and smooth teat designed for growing baby's changing needs. Petals and ridges inside the teat allow flexibility without collapse, for an uninterrupted feed. The anti-colic valve is designed to keep air away from your baby's tummy, to help reduce colic and discomfort. The Philips Avent Natural range offers different teat softness and increasing flow rates for every development stage of your baby.