3M™ Door Edge Protection Film protects vehicle door edges from nicks and chips, preserving the finish of your car in an area highly prone to damage. Car door edges are particularly vulnerable to damage when they are opened against other vehicles, walls or other objects. Small chips can lead to rust later on. Giving the door edge extra protection is a great investment in preserving the appearance of your vehicle. Watch this video to see how easy it is to install this door edge paint protection film.