1. Material: silver plated copper
2. Treatment process: electroplating
3. Exquisite polishing design, smooth surface treatment
4. Three-dimensional modeling
5. Not easy to fade, not easy to oxidize, not easy to be allergic
6. Size: 8mm, 10mm, 12mm, 14mm, 16mm
7. Weight: 8mm 39g, 10mm 61g, 12mm 77g, 14mm 116g, 16mm 151g
