Computer precision cut for a custom fit, it reduces inside temperatures up to 40 degrees Fahrenheit. Hi-tech, incredibly reflective mylar and multi-layered heat barrier materials. Finished with a non-abrasive velour binding. Very high-end looking. Designed to fit the inside of your specific vehicles windshield. It protects leather seats from becoming hot and cracking while keeping the steering wheel and shift knob comfortable to the touch. Unfolds and installs in seconds and come with leatherette storage bag. Lifetime warranted. It is a must have for all owners concerned with lowering temperatures inside their parked vehicle.