Dr.Brown's - Natural Flow - Two 4oz Wide Neck BottlesCreated 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. The positive pressure design allows babies to feed comfortably, because the vent system eliminates the air bubbles and vacuum. All parts are dishwaher safe. BPA Free.
Helps Maintain Vitamins C,A,& E
Patented internal vent system is proven to minimize oxidation of breastmilk and formula to help maintain essential nutrients
Positive-Pressure Feeding
Fully0vented bottle design provides vacuum-free feeding similar to breast feeding
Helps Reduce Colic
Vent system eliminates the negative pressure and air bubbles to help reduce colic, spit-up,, burping, and gas.