Philips Avent Natural 3.0 Feeding Bottle 260ml (SCY903/01) - plasticThe Natural Response Nipple releases milk only when baby actively drinks. Babies can can drink at their own rhythm like on the breast, so easy to combine breast and bottle feeding. Finding the right nipple is important. A nipple that works like a breast 1 Bottle 9oz 260ml Medium Flow Nipple 3 6m Nipple releases milk when baby actively drinks The Natural Response Nipple works with your baby's natural feeding rhythm, making it easy to combine breast