Introduce your little one to the most natural bottle feeding experience with Philips Avent's Natural Response Bottle Teat. Specifically designed for babies aged 6 months and above these teats ensure a comfortable and contented feed reminiscent of breastfeeding for your growing baby. The Philips Avent Natural Response Bottle Teat is the ultimate solution for parents seeking to combine breast and bottle feeding smoothly. With a unique opening that only releases milk upon active drinking it perfectly supports your babyâs instinctive feeding technique. The soft flexible nipple is shaped like a breast aiding in natural latch and making it easy for your baby to combine breast and bottle feeding. The anti-colic valve is engineered to keep air away from your baby's tummy to reduce colic and discomfort while the variety of flow rates allows you to find the perfect one for your baby's development stage.