It measures approx 20” x 16” x 8”.  It has a handle at the top and two adjustable cushioned shoulder straps.  It has five zippered compartments and two mesh pockets on the side.  UA and UNDER ARMOUR is embroidered on the front and back.  This backpack is VERY rare.  It has a few snags that are totally unnoticeable and is still is VERY good shape.