Second - Metallized film, it is a lot like dyed film however small particles of metal are placed in the interior of the dye giving the tint a metallic look, very difficult to see, however it's enough to where the film becomes more metalic. This also makes the film more shatter resistant. It also gives a slight shinier tint to the the window film. One downside to this film that has been discovered as more and more cars are using them, the metalic particles inside the dye causes cell phone service to block the transmission and can even have no service with the metalic film used.