Are the Car or motorcycle covers are necessary?-2

Let's talk about his dust-proof function first, because the air quality is very bad now. There is mud and ash everywhere. If we are near the highway, after one night there will be a layer of ash on the car. The sand will damage on the car. If the car in the dust circumstances long time, the scratches will appear on your beautiful cars. So with a suitable cover will protect your vehicle for this problem