... new environmentally-friendly heat insulation material, which is soft, light and easy to install. It is made from aluminum ... sudden cold, etc.Characteristics:No smell and toxicity, environmentally-friendly;Light, soft, dustfree, fire, retardant, easy to install;Resist heat ... 82)Reflectivity 95% ~ 97%R-value 3.5Pure aluminum thickness 7 micronFire rating Class A / Class 1 Bubble Reflective Car Sunshade