How the 3M window film effect?

Since 3M invented the automobile heat proof film, a lot of updating its technology. In addition to leading the world's top five technology (polyester film, metallic paint, stalemate, wear-resistant and ultra-thin coating) outside, 3M has developed a wavelength-selective membranes that block infrared and production of heat and reduce the visible wavelength barrier. So that 3M automotive heat proof film appearance and brightness to achieve perfect harmony.
Main features are:
A hot day insulation, ultraviolet light, and energy-saving air-conditioning. Winter warm, reduce energy loss.
2, reduce glare, driving safety, comfort
3, according to interior decorating non-direct sun, prolonging life and quality.
4, safety glass burst grassroots prevent scattering.
5, super wear-resistant, keeping the body beautiful.
6, patented pressure-sensitive adhesive layer and the "easy construction" film, the construction time-saving convenience.
7, automatically adapt the car light, suitable for any weather changes of yin and yang, clear vision.
8,3 M will provide triple-style original five quality assurance card to the owner through the construction center.