Which is the domestic car is anti-UV insulation glass
Look at the film you posted
Stained glass are separated by ultraviolet light, but the protection factor is less, if you want to achieve the best results, only paste the insulation film, the domestic car film SPF values are not clear, the United States produced "Wei solid" membrane SPF value To 200 +, the indicators are in line with European standards, the Internet can be found.
The front windshield glass above the 170mm or so colored area is anti-ultraviolet light direct sunlight, as the door and the rear windshield are generally steel security glass, anti-ultraviolet glass insulation glass is currently popular, not used to the car glass, To achieve this effect, then buy a car to the film on it.