it is a spray worth rs:10-20riyals in Saudia Arabia, it acts like a paint protector, because in middle East countries, sand+dust particles fades or damages the paint when on high speed or using a car on highways daily... It has a no. of shades available, but people usually buy this mudd-type shade...
People working in Middle Eastern countries can guide you better regarding this product,
Mostly people there spray this before going to any long journey...