The Nike Utility Gym Sack is made of durable team color canvas to keep your gear secure whether you take your workout to the gym or to the outdoors. The top zips open and there's a small zippered pocket on the back. The alternate team color straps are easily adjustable for the perfect fit. Details include a top carry handle, heat embossed graphics, and 2 small grommet vent holes at the bottom for moisture and odor control. Measures approx. 20" tall by 12" wide. 100% Polyester.