It is a color that does not simply fall and is more durable compared to other colors. Often such colors have metal spellings. One of the most prominent features of Iran’s rug is the world of its color. In the line version of 1579, an English-interested rug writes about the stability of Iranian rug paint to its representative. In Iran, you will find rugs of thick wool that have constant color and is not unique in the world. You have to go to the big and small cities and learn how to paint wool because it is so steady that rain, wine, and vinegar cannot even stain the rug