15-layered sputtering coating With Nano-film technology Heat mirror film provides maximum protection with high heat rejection performance. For comfort and solar protection in your vehicle, whether at work or home, it is a smart choice to choose a V-TECH heat mirror. By using spectrally selective technology, it offers outstanding optical clarity, industry leading color stability and durability, and scratch-resistance with a hard coating. This 15 layers of sputter coated Heat Mirror film with German technology not only keeps interior illumination, but blocks IR rays up to 98%. Features and Benefits Providing protection from excessive heat and harmful UV rays Saving above 30% on cooling and heating costs Minimizing UV health risk to skin and eyes Reducing interior fading Exceptional optical clarity