This is a cutting edge technology stainless steel & copper magnetic therapy bracelet. It has matte silver O centers with shiny silver X accents and is about 1/4" wide. In addition to high power rare earth magnets, this therapy bracelet has the added benefit of copper. This nickel free bracelet has a powerful & permanent 3300 gauss neodymium rare earth bio north facing magnet & copper in each link. This magnetic bracelet closes securely with a snap shut clasp. Order yours today.