This is pain magnetic bracelet that is completely made of stainless steel. The 2 - 2000 gauss neodymium rare earth north pole facing magnets are in the polished stainless steel knobs on each end. This fine quality nickel free magnetic bracelet is made with stainless steel twisted wire. Because this item is made of 100% stainless steel, it will not tarnish or turn color, and it is well suited to keep on in the bath, shower, or pool, if you choose to do so.