Dr. Brown's BPA Free Polypropylene Natural Flow Wide Neck Bottle 8 Ounce, Single Pack
This is created by a physician. Dr. Brown's Natural Flow baby bottles feature a patented internal vent system that helps reduce colic, spit up, burping and gas. Its positive pressure design allows babies to feed comfortably, because the vent system eliminates the air bubbles and vacuum. Its parts are dishwasher safe.