PRODUCT DESCRIPTION This is a magnetic bracelet. Styled in shiny copper & silver & brass, this magnetic bracelet is made of only solid metals and has 2 powerful & permanent neodymium rare earth bio north facing 3000 gauss magnets. Please choose your correct bracelet size based on the actual number of inches against your skin without adding extra. To get your actual wrist size, measure yourself with a soft measuring tape, or you can use a string and ruler. Wrap it around where you will wear the bracelet, snugly against your skin, without adding anything extra. Can be a natural and effective method for relieving pain. Copper & Brass can react naturally to some people's perspiration to turn the bracelet and skin green, black, or blue. This natural reaction may happen because of the nature of real copper & brass. This is not being sold as a medical device or to replace professionally prescribed medical treatment. You should not use magnetic therapy if you are pregnant, or wear an electronic medical device of any kind. Consult your doctor before use. We make no overt or implied claims for cure, treatment, or mitigation of any physical condition of any kind. Visit our store and other offerings for many more styles.