Light brown/beige. 1/16" (1.6mm) thick. 50ft. roll (approx. 15.25 meter). Looking for that extra edge in performance? Cooling exhaust gasses lose velocity and scavenging effect is reduced. This exhaust insulating wrap will improve horsepower by optimizing the thermal efficiency of the exhaust, and protects from nasty burns, in one go. Asbestos free. Note: Wrap ends can be secured with universal metal tie-wraps. Note: Material will discolor under influence of heat after installation.