Gold-colored sterling silver. Logo detail. WOMEN'S SIZING:,XXS: Size 1 - inside diameter: 15.3mm / circumference 48.0mm,XS: Size 2 - inside diameter 15.9mm / circumference 50.0mm,S: Size 3 - inside diameter 16.6mm / circumference 52.0mm,M: Size 4 - inside diameter 17.2mm / circumference 54.0mm,L: Size 5 - inside diameter 17.8mm / circumference 56.0mm,XL: Size 6 - inside diameter 18.5mm / circumference 58.0mm,XXL: Size 7 - inside diameter 19.1mm / circumference 60.0mm