PackTowl Nano Light Towel Ultralight: Size Medium (18 x 23) weighs just .9 ounces (21g) making it the lightest camp towel on the market. 2X Rapid-Cycle Absorbency: Soaks up twice its weight in water; then wrings out almost completely dry - over and over. Laser Cut: Smooth finished edges without stitch bindings or fraying. Easy Care: Machine wash, then hang dry using the convenient snap loop or tumble dry.