Foss Manufacturing Automotive Heat, Sound and Noise Insulation Padding Thermozite Made from Eco-fi (100% post consumer recycled plastic bottles) polyester fiber. Superior Sound and Noise Deflector, Excellent Heat Barrier, Minimizes Automobile Vibration Can Be Cut With Scissors Or A Knife, Can Be Handled Without Gloves, Contains No Irritants Or Carcinogens Unlimited applications such as engine hatch covers, hot rods, RV's, door panels and firewalls Dimension: 3' Long by 4' Wide. Change quantity for longer continuous lengths.