A machine is used to combine both yarn and chinelle together. In order to make this appear in different colors, dye is then added and then this is made into whatever product the manufacturer wants. Care for Area Rugs Large Sousthwestern are not that different from those made of wool. You can vacuum this regularly but you must never wash this. This should only be dry cleaned and when it is finished, this should not be hung to dry but rather air dried.But there are some that area also machine washable so you have to pay attention to the caring instructions at the back of the label.