925 Sterling Silver Box Clasps, Oval, with Jump Ring and Suede Fabric Square Silver Polishing Cloth, PlatinumSize: Clasp: about 8.5mm wide, 17.5mm long, 5mm thick, jump ring: 3x0.5mm, 1.5mm inner diameter, 1pc; Polishing Cloth: about 78.5x78.5x0.2mm, 1pc.