More Colors/Sizes:
1.Size and weight: perimeter 20cm width 5mm and weight about 10.5g.
2.Material: made by silver and surface color made though electroplating.
3.Function: radiation protection and fashion.
4.Others: suitable for male and female.
2.Material: made by silver and surface color made though electroplating.
3.Function: radiation protection and fashion.
4.Others: suitable for male and female.
