#1 Rated Thermal & Sound Deadening Insulation Reduces Heat By 40% And Interior Noise By 50% 20 Sheets 12 X 23 Gives You 39 Square Feet (3.7 Square Meters) Of Coverage Peel & Stick Sheets Are Easily Cut With Scissors Each Sheet Is 1/8 (1.5MM) Thick And Light Weight At 1/2 Pound Per Square Foot Choose Black Or Silver Cool, Quiet & Comfortable! HushMat? specializes in reducing unwanted noise in your Firebird by eliminating structural vibration, reducing heat, road noise, engine noise, wind noise, engine exhaust, and radiant heat. You experience the quality sound and comfort of your automobile with HushMat? Ultra thermal & sound deadener insulation. Fits 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991 or 1992