Isolate It!: Sorbothane Acoustic & Vibration Damping Film 70 Duro (0.125 x 6 x 12in) - 1 Sheet High Performance Ultra-Soft Polyurethane Exception Acoustic Energy Insulation Ultra Thin Film Fits Many Different Applications 0.125" of Sorbothane Will Absorb up to 12.5 dB Thickness Tolerance: +/- 0.020" Durometer: 70 Shore OO