Dr Brown\'s Options+ Anti-Colic Level 2 Teats are medium flow teats designed for babies from 3 months plus. The natural breast shaped teat helps babies latch on. Made from high grade, super soft silicone. The uniquely designed Dr Brown\'s Natural Flow Options+ Level 2 Wide-Neck Teat is a medium-flow teat, great for babies whose feeding has developed. The suggested age range for the Level 2 teat is 3 months plus but baby\'s preferred flow rate may vary. Designed to fit the Dr Brown\'s Options+ bottles. Key features of Dr Brown\'s Options+ Anti-Colic Level 2 Teats Can be used with or without the removable internal vent system in the bottles Pack of 2 teats Designed to fit the Dr Brown\'s Options+ bottles Natural breast like shape teat Easy to use Medium-flow