Dr. Brown's Natural Flow Baby Bottle Nipple - Level 4, Fast Flow - 9m+ (Pack of 6)

Paced feeding is accomplished by the use of a fast-flow nipple in conjunction with an internal vent system. Each Level 4 Nipple has the same steady flow rate, so you and your baby know exactly what to anticipate. Fits all Dr. Brown's Narrow bottles and is made of super-soft, high-grade silicone. The Level 4 Nipple is recommended for babies aged 9 months and up, but the baby's desired flow rate may vary. Dishwasher and sterilizer safe (top rack), BPA free Improve your nipple flow by leveling up! Dr. Brown's Level 4 Narrow Nipple is our quickest flowing nipple for babies 9 months and older. Product Dimensions (cm): 17.27 x 7.37 x 11.43   Dr. Brown's natural flow baby bottles, designed by a physician, include a proprietary internal vent system that helps minimize colic, spit-up, burping, and gas. Because the vent system removes air bubbles and suction, the positive pressure design helps newborns feed comfortably. Everything is dishwasher-safe. Dr. Brown's natural flow standard baby bottles come with two replacement silicone nipples. Level four nipples are suitable for babies aged 9 months and up.