Advanced 1-piece Anti-Colic Air Vent helps reduce colic gas and spit up. Multiple nipple holes provide a natural feed just like mom's breast. Features NUK's SafeTemp indicator which changes color when milk is too hot. Nipple comes with 3 6 or 9 holes depe

Details Advanced 1-piece Anti-Colic Air Vent helps reduce colic gas and spit up. Multiple nipple holes provide a natural feed just like mom's breast. Features NUK's SafeTemp indicator which changes color when milk is too hot. Nipple comes with 3 6 or 9 holes depending on flow rate. Flexible nipple moves with baby for a continuous latch. Tritan bottle is BPA-free and is easy to use assemble & clean. Includes: 4 Bottles. 2 Replacement nipples. 3 Pacifiers.