Features: Synthetic gemstone with colour flashes and changes similar to natural gemstones Magical effect Skin-friendly, comfortable, and healthy to wear Thickened electroplated three-layer protective colour Shiny new lusterSpecifications: Material: 925 Silver, Synthetic Opal, Platinum Plating Process: Gold Plating Chain Length: 6.3 cm (2.48 inches) Aperture: 0.45 cm (0.18 inches) Weight: 2.7G (0.09 ounces)Package Includes: 1 x 925 Sterling Silver Platinum Opal Bow Safety Chain