21 Bundles X 30 Yards 1mm Nylon Beading String Knotting Cord Chinese Knotting... Quantity: 21 Bundles Length: 30.62 yards (28m) / bundle Material: 100% nylon Size: 1mm Glossy and robust fashion color with extra-strong fibers to hold even weighty beads. It can be used with gemstone beads, rhinestone beads, shambala beads and so on.