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