1. Polishing process, fine manual polishing, make the product surface smoother and more transparent. 2. Adopt international standard 925 silver, skin-friendly, comfortable and healthy to wear. 3. Thickened electroplated three-layer protective color, no fading when worn, shiny as new. 4. Material: 925 silver + platinum plating 5. Process: platinum plating 6. Size: height and width: 1.0 x 0.6cm; aperture: 0.45cm 7. Weight: about 1.3 grams 8. Note: This product is manually measured, the length and weight may have errors of 0.1-0.2 mm and 0.1-0.2 grams; due to display and light problems, there may be a slight color difference. Please refer to the actual product!