This 500mL (16 ounce) leakproof narrow-mouth environmental sample bottle is economical enough for single-use and is disposable. The bottle is made of break- and chemically-resistant high-density polyethylene (HDPE) with polypropylene screw closures. Ideal for field sampling for the environmental market. Sold in cases only. High-density polyethylene (HDPE). Capacity: 500mL (16 ounce). 48/Case. Nalgene® #: 2089-0016.