RAINBOW 1mm Chinese Knot Nylon Braided Cord Shamballa Macrame Beading Kumihimo String (40yards Spool) Color: Rainbow Diameter: 1mm Sold per 40yards spool Made of braided nylon, it is used today in many shamballa bracelets and fans of kumihimo love it. Holds its shape, perfect for all types of knotting and macrame projects.