Flat Waxed Polyester Cords, ColorfulSize: about 1mm wide, 0.3mm thick, about 284.33 yards(260m)/roll. âMaterial: The thread is made of waxed polyester cord and light wax, which is strong and durable. âYou can use this waxed thread to work at braided bracelet, jewelry making, friendship bracelets, binding, packaging, leather sewing, beading and so on.