Product: Felt Strips & Rolls Material / grade: F1 Grade Wool Felt—Adhesive Backing Size: 1 " Wide Wool content: 95% Thickness: 3/16" Color: Off-White Hardness: Durometer 35A Temperature range: -80 to 200 Compression pressure: 21 Adhesive backing: Rubber Adhesive temperature: 0 to 180 Roll length (ft): 50 Tensile: 500