Hair quality: We believe that you are experienced customers, you can understand how good the Natural Grey Hair in Bulk item we are supplying is. With the strongest strands of hair and never undergoing any treatment, we collect them from the Vietnamese elder women hair. After that, we bring our hair back to the factory, wash our hair thoroughly, and then tie it up into neat bundles. We want our customers to have the best experience in both the appearance and quality of each bundle. Hair color: Natural Black Grey Hair Color. Material: CYhair only sells Vietnam Human Hair which is the highest quality hair in the world since it is 100% natural hair Length: 16 inches - 32 inches