Thin Tri-Metal (copper, silver-brass and golden-brass) cuff bracelet, lined with copper (copper makes contact with skin) and with two copper-wrapped magnets at the wrist. Copper is a material that many people around the world believe to help alleviate arthritic aches and pains. We will select an assortment for you...photo shows a typical assortment of 10 narrow copper magnetic cuffs.