Nano Carbon Black - Carbon Ceramic (GEN 5th) The next evolution of film technology. in the combination of nanocarbon The unique ability to block the solar spectrum more than any other technology. To block UV99% and infrared rays by 44% or more in each shade. (*Infrared rays are only part of the heat insulator) Increase the protection of the difference that you will truly feel. 4 year product warranty means not peeling, peeling, bulging in the warranty period.