1. Material: 925 silver + oxidation 2. S925 sterling silver material, skin-friendly and comfortable to wear 3. Polishing process, manual fine grinding 4. Thickened electroplating with 3 layers of protective color, it will not fade when worn, and the luster is as new 5. Height and width: 17x3mm 6. Weight: 1.7g (all products are measured by hand, there may be slight errors in the actual product specification weight, the actual product shall prevail)