Ultra-Lite Insulating mat is a lightweight heat barrier that is perfect for track day cars or race cars that need lightweight protection from radiant heat getting into the drivers compartment. The Ultra-Lite mat is made out of a highly textured composite aluminum made out of a highly textured composite aluminum surfacing on one side, a durable Mylar facing on the other side and a high temp silica felt blanketing sandwiched in the center. Easily installed in floorboards, firewalls, and on doors. The Heat Terminator uses Thermal Conduction Technology (TCT), developed by Thermo-Tec, and is available in six popular sizes.Made in the U.S.A.!