Cuddles Baby Proflo Essential X Cut Variable Flow Feeding Bottle 9oz/260mlReduces air swallowed during feeding heling to reduce tummy troubles X cut variable flow silicon teat ensures the flow milk according to the babys suction ability and adjusts accordingly to babys required flow Suitable for 6m to 3 Years Our innovative vented + teat has anti colic valve that reduces Reduces air swallowed during feeding heling to reduce tummy troubles X cut variable flow silicon teat ensures the flow milk according to the babys suction