3M Clear Bra Paint Protection Bulk Film Roll 2"-by-72"-inches 3M Clear Bra Paint 3M Scotchgard surface protection film is virtually invisible once installed.Bulk Film Roll 2"-by-72"-inches Clear polyurethane film is 8mil thick with adhesive backing. Product applied to reduce paint chips and bug damage. Keeps your car's paint looking newer, longer. Step by step installation instructions available online.