12 Colors 10M 1mm Cotton Cords Strings Ropes for DIY Necklace Craft Making 12 bundles of the 10M waxed cotton cords in one set will be sold together by random colors. Material: durable soft waxed cotton. Length of each bundle: about 10 meters. Cord diameter: about 1mm. Tightly woven and knotted into DIY bracelet, necklace, string beading, hand sewing, leatherwork, necklace and jewelry making. Simple and practical design, and durable to use.