17007 Random Field Stone - Large Heavy Textured Stones, 3.75" deep GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 3.750"Stone Size: 10" - 44" Part Size:Part A and B 120" W x 48" H Click here for cut-sheet