Ages; NB+/

New breast-like nipple shape is correctly contoured for a proper latch and a more natural bottle feeding experience
Venting system grows with your baby and has been clinically proven to help reduce instances of colic, spit-ups, and gas
Can be used with or without the vent system
Sterilizer and dishwasher safe (top rack)
Includes one 9 oz wide neck bottle, 1 level 1 silicone nipple and one cleaning brush