The Dr. Brown's Natural Flow baby bottle is the only baby bottle that features a patented internal vent system. This vent eliminates the air bubbles and vacuum effect to allow positive-pressure feeding with no air - similar to breast-feeding.
- Reduce colic, spit-up, burping, and gas
- Prevent air bubbles from forming in milk or formula
- Help reduce fluid in the ear
- Prevent nipple collapse
- Made from BPA free, polypropylene plastic
- Easy to clean and top-rack dishwasher safe
- Includes a high-grade Level-One silicone nipple, patented two-piece internal vent, travel disk, cap, cleaning brush, and instructions