Material: Gold Over Solid Genuine .925 Sterling Silver. with special anti-tarnish plating, the gold color can last for years with normal wearShape: Heart Lock ClaspMeasurement: Clasp is 11mm by 9mm, bottom holes are 1.4mm (suitable for 19 gauge rings, wire, cord)Weight: 0.95 gram/pieceQuantity - 1 pieceNOTES: Pictures show the shape of the clasp. For actual size, please see the measurement.