Rubber-Cal Cloth Inserted SBR 1/8 in. x 24 in. x 12 in. 70A Rubber Sheet - Black 20-107-0125-24-012 - The Home Depot
Rubber-Cal General-purpose Rubber 1/2-in T x 2-in W x 2-in L Black Commercial 60A Durometer Rubber Sheet in the Rubber Sheets & Rolls department at Lowes.com
Neoprene Rubber Sheet, Rolls, Strips 1/8" (.125") Thick x 36" Wide x 50' Long Solid Rubber: Amazon.com: Industrial & Scientific
SBR Rubber Sheets Reinforced With Polyester Fabric Cloth
Amazon.com: Neoprene Rubber Sheet - 1/8 Inch Thick x 4 Inch Wide x 10 Feet Long Neoprene Rubber Strips Rolls for DIY Gaskets, Pads, Seals, Crafts, Flooring, Cushioning of Anti-Vibration, Anti-Slip :