Copter Display Film consists of an extremely durable material that was originally developed for military use. The material is a type of urethane film and was created by the U.S Army during the Gulf War to protect helicopter rotor blades from abrasive desert sands.The film is transparent or cracking due to exposure to UV light. It can also withstand exposure to refrigeration temperatures, heat, oil and petrol, as well as wear from stones and other abrasive elements.