ZMD1007 Construction: * Constructed of soft high lofting polyester * Constructed of wax canvas bottom and sides Specifications: * Comes with 600D nylon for the outer edges and 200 weight double sided fleece for center Dimensions: * Medium: 37"" W x 24"" L * Large: 43"" W x 30"" L * Extra Large: 54"" W x 35"" L