nThe wide breast shaped nipple promotes natural latch on similar to the breast, making it easy for your baby to combine breast and bottle feeding.nPetals inside the nipple increase softness and flexibility without nipple collapse. Your baby will enjoy a more comfortable and contented feed.nInnovative twin valve designed to reduce colic and discomfort by venting air into the bottle and not baby’s tummy.nThis nipple is made from silicone - a BPA-free material (Following EU directive 2011/8/EU)nPhilips Avent offers four different flow rates to keep up with your baby’s growth. Remember that age indications are approximate as babies develop at different rates. Philips Avent offers the newborn flow nipple with 1 hole (0M+), the slow flow nipple with 2 holes (1M+), the medium flow nipple with 3 holes (3M+) and the fast flow nipple with 4 holes (6M+). All nipples are available in twin packs.nWe advise to use the Natural feeding nipples with Natural bottles only.<br>