1. Material: 925 silver + luminous stone + platinum plating 2. Luminous stone is a special mineral that has the property of glowing in the dark. 3. Made of 925 sterling silver, it is skin-friendly, comfortable and healthy to wear. 4. Thickened electroplating with three layers of protective color, which will not fade when worn. 5. Height and width: 10mm 6. Weight: about 1.2g 7. All products are measured manually. There may be slight errors in the actual product specifications and weights. The actual product shall prevail.