18030 Random Smooth Wave - 1.125" Depth GrayLastic™ Elastomeric Urethane - Up to 100 uses. Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 1.125" On Center: Varies Peak: Varies Valley: Varies Part Size: 48"W. x 120"H. Click here for cut-sheet