Hold your favorite beverage or measure out the ingredients for your next meal. The bright and lightweight GSI Outdoors Bugaboo 20 fl. oz. Bottle Cup belies strength and reliability. Unbelievably light aluminum construction belies strength and reliability. Includes easy to read, internal graduations. Cup is designed to slip over standard 1L water bottles or hold and store one small fuel canister for compact storage. Folding bail handles provide further space-savings and convenience. holds 20 fl oz and weighs only 2.6 oz.