3M paint protection film is virtually invisible once installed. Clear polyurethane film is 6mil thick with adhesive backing. Product applied to reduce paint chips and road damage. Keeps your car's paint looking newer, longer! Paint protection film is the most effective way to defend your vehicle from damage caused by rocks, sand, gravel, road debris. The film is 8mil (0.008") thick and has a clear top-coat finish which allows the clear bra to shine like your vehicle’s paint. It is nearly invisible on the painted surface of your vehicle.