Palladium-colored sterling silver. Logo detail. No closure. WOMEN’S SIZING:,XS: Size 1 - inside measurements 55/40mm,S: Size 2 - inside measurements 58/43mm,M: Size 3 - inside measurements 60/46mm,L: Size 4 - inside measurements 64/49mm,XL: Size 5 -inside measurements 67/52mm