Dr. Brown's Natural Flow Bottle Level 1 0 + Months 4 oz (120 ml)

Simply the Best Baby Bottle Reduces Colic Spit-Up Burping & Gas Helps Preserve Vitamins - C A + E Plus Lipids Fits Most Breast Pumps Helps Preserve Vitamins C A & E + Lipids Vacuum-Free Feeding Helps Digestion BPA Free Helps Reduce Feeding Problems Proven to Help Preserve Bottle Milk Nutrients* Vacuum-Free Feeding Helps Digestion Fully-Vented Bottle Design Internal Vent System and Silicone Nipple Work Together Contents: 1 - 4 oz/120 ml baby bottle 1 - Level 1 silicone nipple 1 - Cleaning brush instructions Internal Vent System Air enters the bottle collar and routes directly through the internal vent system. The air channels through the vent tube bypassing the milk to the end of the bottle. The vent prevents aeration of the milk vacuum pressure and nipple collapse. Baby feeds comfortably while milk flows freely like breastfeeding. *Per a recent university study.