1. Material: 925 silver + oil drop + opal + platinum plating 2. Oil dripping technology, the elegant and transparent oil dripping color makes the jewelry more beautiful, clear, fresh and refined 3. Made of 925 sterling silver, it is skin-friendly, comfortable and healthy to wear. 4. The surface of opal shimmers with glass and wax luster, and it is easy to have a porcelain effect. Because of its rich color, opal also has a color-changing effect. 5. Height and width: 9x13mm 6. Weight: about 1.4 grams 7. All products are measured manually. There may be slight errors in the actual product specifications and weights. The actual product shall prevail.