Philips avent teat medium flow 3m+ / 3h pk2 (scf633/27) Good feeding, good sleeping Helps settle your baby, especially at night With the Philips AVENT Classic teat, 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.