Fits most wrist. Size 6.5 - 7" Dainty and Minimal Stretchy bracelets with multi-faceted 4mm Amethyst + 3mm Solid copper beads Every bracelet comes with a tag that lists the properties of the gemstones and copper and is packed in a cotton pouch. Purported benefits of wearing a copper bracelet include the following: Relieves pain and inflammation caused by arthritis. Sterilizes wounds (due to its antibacterial properties) Improves the immune system. Works as an antioxidant. Prevents cardiovascular disease.