Philips Avent Classic Teat 1 Hole Newborn Flow - 0 Month+ is an excellent way that aids in helping the baby experience a natural feeding process. It nipple has a slower flow rate that is ideal for newborns. | Uses: It is ideal for newborns and used to help babies combine breast and bottle feeding. | Salient Features: The nipple features a unique petal design for a natural latch to that of breasts The additional petals inside the nipple aids in flexibility without nipple collapse The twin valve is designed to lessen colic and discomfort by air venting into the bottle The nipples is made from a BPA free material called silicone | Directions For Use: Read the manual for usage instructions. | Safety Information: Read the user manual carefully before use Keep out of the reach of children Store in a cool dry place away from direct sunlight