DescriptionFeatures: Roll Top Closure with Adjustable Straps; Large Waterproof Pocket; Reinforced Carry Handle; 100% Waterproof Sealed Seams; Ergonomic, Adjustable Shoulder Straps; Contrast Zipper and Webbing; Internal Zippered Pocket; 100% Polyester Ripstop with 100% Polyester Lining; VOLUME: 20 Liters / 1,220 Cubic Inch. 18" H x 12" W x 6.5" D