This 500mL (16 ounce) amber High Density Polyethylene (HDPE) bottle reduces Ultraviolet light transmission to help protect light-sensitive liquids. It also complies with U.S. Pharmacopoeia 23 requirements for maximum light transmission. Useful for storage shipping and packaging. Excellent chemical resistance to most acids bases and alcohols. Good for freezer storage to -100°C. High Density Polyethylene (HDPE). Capacity: 500mL (16 ounce). 12/Pack; 6 Packs/Case. Nalgene® #: 2004-0016.