Metro Purple Vinyl Head Light Lens Tint Film 24"x12" 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) Purple Lens Film, When applied correctly the film is very durable. The film is coated with a UV protective layer which lasts up to nine years outdoors. Once applied and bonded to you surface you may clean it and polish it with any type of cleaning agent that is used for painted surfaces. When heated and stretched it can be applied to extreme curved surfaces with a little patience and work.