Dr. Brown's Natural Flow Feeding Bottle, Polypropylene 2-ounce, 2 Pack is available in Plastic Bottles

057-P3 Features: -Bottle.-Material: Polypropylene.-BPA free.-Patented internal vent system eliminates the vacuum and air bubbles to help reduce colic, spit-up, burping, and gas.-Positive pressure design allows babies to feed comfortably.-Created by a physician.-All parts are dishwasher safe.