HushMat 10501 Ultra Silver Foil Bulk Kit with Damping Pad - 30 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 30 - 12" x 23" Sheets 4 Sq.Ft. Eliminates road noise and vibration Has excellent adhesion to many difficult to-bond-to substrates including oily metals Includes 30 damping pads Reduces heat up to 40 percent Withstands temperature from minus 30 degree Fahrenheit to 400 degree Fahrenheit