17037 Mt. Hood Stone - 1.625" deep Random Stone GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 1.750"Stone Size: 9.5" - 27.5" W x 12" - 30" H Part Size: 120" W x 48" H Click here for cut-sheet