Flex-rite Beading Wire offers a variety of choices to improve the overall apperance of the jewelry. It allows the jewelry to have excellent drape, while also being kink resistant, and super flexible. This type of stringing material uses state of the art micro-wire technology to produce a wire that is strong, soft, and flexible. This stringing material is made of 7 strand of clear nylon-coated 100 percent brass micro-wire and comes in a spool of 30 feet. It is strong enough to stand an 15 lb test. Flex-Rite 49 is Premium Quality, Most Flexible