Elements of Chemical Reaction Engineering 4th Economy Edition Film is sold by the foot please enter how many feet you would like in the quantity box. Example: (Qty 3 = 3ft x 24in sheet) When applied correctly to the appropriate hard surface the film is very durable and scratch resistant. The film is coated with a UV protective layer which will last up to 5 years outdoors. Once applied and bonded to your surface you may clean it and polish it with any type of cleaning agent that is used for painted surfaces.