Dr. Brown’s Level 2 Narrow Silicone Nipple is designed for babies 3 months and older, offering a medium flow that supports comfortable feeding. Featuring the clinically proven Anti-Colic vent system, it helps reduce colic, spit-up, burping, and gas for a soothing feeding experience. Its vacuum-free design closely mimics breastfeeding, while the breast-like shape encourages a natural latch, easing the transition between breast and bottle. Made from super-soft, BPA-free silicone, this nipple fits all Dr. Brown’s narrow bottles and preserves milk nutrients for better digestion and restful sleep. Dishwasher and sterilizer safe for convenience.