Thermaflect Heatshields by Heatshield Products are some of the highest quality reflective heat shields you can find in the marketplace today. Made here in the USA, Thermaflect Heat Shields shield up to 90% of radiant heat by encasing a ceramic pad between two heavy duty foil pads that are bound together by stainless steel mesh. Thermaflect Heatshields by Heatshield Products are flexible and can be wrapped around components, or used flat as a heat shield. They are commonly used to protect ECUs, air boxes, A/C components, and more. The ThermaFlect Heat Shield can withstand 1100 degrees F of continuous radiant heat and as much as 500 degrees F of direct heat (touching). The part number for this Thermaflect Heat Shield is 100507 and it measures 5" by 7".