420D laminated and coated nylon fabric is waterproof and durable with radio frequency welded seams for highly durable waterproof seals * See-thru urethane window provides greater visibility of bag contents. * Roll top waterproof closure with durable buckle to secure roll top * Dimentions: 21" x 11"/53 cm x 28cm Volume: 2136 cu in * Avg weight: 9.5oz/268g