1. Material: 925 silver + oil drop + nano opal + platinum plating 2. Oil drop craftsmanship, elegant and transparent oil drop color, make the jewelry more beautiful and clear, fresh and refined 3. Using 925 sterling silver, it is skin-friendly, comfortable and healthy to wear 4. Nano opal, colorful texture color, make the jewelry more beautiful and clear, fresh and refined 5. Height and width: 8x5mm 6. Aperture: 4.5mm 7. Weight: about 0.8g 8. All products are measured manually, and there may be slight errors in the actual product specifications and weights. The actual product shall prevail 9. Note: only beads, not other items