Gerber Clear View and Fashion Tints Nurser bottles come in 5 and 9oz sizes, and in either clear or tinted BPA-free plastic. Nipples are available in silicone, newborn, slow, medium, fast cross cut, and three hole options. (The nipple that comes with the bottle is typically a rubber medium-flow nipple.) They are some of the most affordable BPA-free bottles on the market. Each bottle comes with a plastic neck ring, a silicon or rubber nipple, and a clear cap.