1. Material: copper
2. Treatment process: electroplating
3. Exquisite polishing design, smooth surface treatment
4. Three-dimensional shape, the size of the ring can be adjusted arbitrarily, suitable for fingers of different sizes
5. Not easy to fade, not easy to oxidize, not easy to be allergic
6. Size: 56mm/58mm/60mm/62mm
7. Weight: about 19 grams