Nalgene 2oz (60ml) Wide Mouth Bottle These leak-proof bottles are convenient for almost anything from soups to milk. The smaller sizes are ideal for liquid soaps, tablets and shampoo. Available in 1-oz, 2-oz, 4-oz, 8-oz, 16-oz, and 32-oz sizes. Description Space-efficient general purpose bottles with wide mouths for easy filling and cleaning. Round shape makes for efficient storage of liquid. Patented, leakproof lid system. High density polyethylene (HDPE) construction is durable and can be boiled clean. HDPE is porous and retains tastes and odours – sensitive users may wish to use Tritan (co-polyester) bottles instead.