HushMat 10151 Ultra Silver Foil Starter Kit with Damping Pad - 4 Piece Eliminates road noise and vibration Engineered to fit OEM specifications and is approved Wraps easily around tight areas Withstands temperature from minus 30 degree Fahrenheit to 400 degree Fahrenheit - Reduces heat up to 40 percent 4 - 12" x 12" Sheets 4 Sq.Ft. Eliminates road noise and vibration Reduces heat up to 40 percent Engineered to fit OEM specifications and is approved Wraps easily around tight areas Withstands temperature from minus 30 degree Fahrenheit to 400 degree Fahrenheit