The Premier Series window film is the only bronze that is guaranteed by the manufacturer not to fade or discolor. It is a slightly reflective all metal film that contains no dye. The fact that it has no dye in it allows the manufacturer to give the life time warranty, the standard lifetime warranty, no bubbling, cracking or peeling along with no fade or discoloration. This product is recommended for anything with a tan interior, especially the cars that are sandstone or the beige line of paint.