Evenflo Classic Baby Bottle 8 oz. Polypropylene (1149238_CS) 36/CSThe ergonomic shape is lightweight and easy to hold, making feeding time comfortable for both you and your baby. The included Classic Slow Flow Nipples are 100% silicone and feature micro air vents to help prevent nipple collapse. The nipple has a gradual transition between nipple length and base to allow your baby to maintain their latch. Made from BPA free polypropylene, the Classic Bottles have molded measurement markers in both ounces and