Features: This Bracelets are made from special stone, which is magnetic and has effect on health care. It is great for the elder who need to keep their health stronger and blood circulation. Specifications: Quantity: 1PC Color: Black Circumference: 19cm-20cm/7.5in-7.9in(Approx.) Material: Hematite stone Package Include: 2PC Bracelets Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.