Waxed Polyester Cord, Flat, CoffeeSize: about 1mm wide, about 76.55 yards(70m)/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.