Philips Avent Natural Response: Feeding at Your Baby's Own Pace Support your baby's unique drinking rhythm with the Philips Avent Natural Response Teat (Flow 4). Engineered for babies 3 months and older, this innovative teat only releases milk when your baby actively drinks. This allow infants to suck, swallow, and..

Philips Avent Natural Response: The Next Generation of Feeding Support your baby's unique pace with the Philips Avent Natural Response Teat (Flow 5). Specifically designed for babies 6 months and older, this teat works like a breast, releasing milk only when your baby actively drinks. This allows your little one..