Nano Technology Advanced Nanotechnologe, the principle of reparing scrathes of our products are kind of simular to polishing. Nano metal powder and vinegar ions on the cloth surface can efficiently activate paint molecules, through the movement of the micro metal powder, the color difference of the original paint is adjusted and the scratches are filled to achieve the effect of restoring the car paint. Make Your Car Like New They are working amazing on light color, but also great on dary color such as red because they use the paint color of the car itself to repair (in fact, it is to spread the paint of the nearby car evenly to the scratch) So no matter what color the car is, it is compatible. There is no need to re-match the color like a touch-up pen, and there will be no chromatic aberration after repair, and there is no trace of treatment. Wide Range of RepairsOur multipurpose nano scratch remover is effective in repairing car scratches, water spots, rust spots, colloids, oxidation and other contamina Various Applications In addition to repairing scratches, its decontamination ability is also comparable to professional care. Vinegar ions are added to the surface of the fabric, which can easily remove various common stains, which is more convenient than going to a car wash. Whether its bugs on the highway or gum on the roadside, they can easily wipe out with no residue at all. Precautions1. This Nano sparkle cloth is Not Washable, make sure the repair area is clean and dry. 2. Not suitable for newly waxed bodywork and chrome-plated cars, nor will it fully repair scratched car primers and severe scratches.