Plastic link chain. Each chain link is 2mm (1/16") in thickness, 7mm wide (1/4") and 14mm (1/2") long. Sold by the foot. Colors vary. Chain bought will be one length of 1 color, per item. You may request different colors and we will try to fill them. If you do not have a color request, we will ship what is most readily available. NOTE: LIMITED QUANTITIES OF PURPLE LEFT; please list secondary color choice in case we run short.