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 stainless steel wire coated in a colored nylon. It is strong enough to stand an 8 lb test. Flex-Rite 7 is good quality (softer than "Tiger Tail"), Most Economical