With the Philips Avent Classic nipples 0m+, your baby controls milk flow, which can help reduce overeating and spit-up. The unique skirt flexes to allow air into the bottle and promotes healthy, active feeding and reduces fussing** and colic. More comfortable feed at baby’s chosen pace • Easy latch on due to the unique valve on the teat Reduce fussing and discomfort • Clinically proven to significantly reduce fussing Air goes into the bottle, not baby’s tummy • Unique anti-colic system BPA Free (0% Bisphenol A) • BPA free* teat Other benefits • Different flow rate teats available • Compatible with Classic feeding bottle