HushMat 10201 Ultra Silver Foil Door Kit with Damping Pad - 10 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 10 - 12" x 12" Sheets 4 Sq.Ft. Eliminates low frequency resonant noise from 0-1000Hz Reduces heat up to 40 percent Makes the car door slam solid Easy to install-No drilling required Withstands temperature from minus 30 degree Fahrenheit to 400 degree Fahrenheit