The BD2010-4 replacement contoured armboard pad is 26"L x 6"W x4"H. This contoured pad is manufactured with High Density Foam, a top layer of visco memory foam and an upgraded smooth Fusion III 4-way stretch supple covering. To maximize pressure and sheer reduction, we have added an integral layer of Blue Diamond® Gel just beneath the covering. Includes Velcro® kit. Measures 4 inches in the middle of the pad with a 3/4 inch taper to outer edges.