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: 19 1/4" x 10"/49 cm x 25cm Volume: 1526 cu in * Avg weight: 8oz/225g