Dr. Brown's Natural Flow bottles feature their patented venting system. The vent reduces the vacuum effect inside the bottle, allowing positive-pressure feeding with less gas, colic and spit-up.

Features:


• Made from BPA free polypropylene plastic


• Easy to clean and top-rack dishwasher safe


• Connects directly to most breast pumps


• Includes a high grade level one silicone nipple, patented two-piece internal vent, travel disk, cap, cleaning brush, and instructions