Kwik Tek Dry Pak Waterproof Duffel Bag Nylon / Polyester Waterproof by rolling down the top a few times and snapping the side release buckles together Water Resistant Zippered Pocket with Storm Flap on each side Removable Shoulder Strap is Adjustable and Padded Extra Heavy Duty Vinyl Polyester Laminate with Electronically Welded Seams; Molded Bottom adds structure Large; dimensions 24-Inch x 12-Inch x 12-Inch closed; capacity 4270-Cubic Inch; 70-Liter