Soft Flex® Wire is the designer's choice in bead stringing wire. Soft Flex® Wire is a lead-free beading wire for designers that demand strength and durability. Soft Flex® Wire is a superior beading wire created by beaders for beaders. Soft Flex® Wire is constructed of either 21 or 49 micro woven stainless steel wires. It is supple enough that it can be knotted and comes in a wide variety of colors. Diameter is .014 We recommend Soft Flex® Wire for designers that want their pieces to last and eliminate the frustration of restringing. Products not intended for children.