NEW! Polished stainless steel with Greek Key design accented in black. Each link has a 1200 gauss magnet.Wear your magnetic bracelet constantly for maximum effect. You can wear your bracelet in the shower, but we recommend that you remove it when in the ocean or in swimming pools.To determine your size, measure your wrist. This measurement is close to the size you will need.Magnetic Bracelet sizes are Medium (7.0"), Large (7.5"), Extra Large (8.0"), or Extra Extra Large (8.5"). Be sure to consider how loose or snug you want your bracelet to be.