Material: Sliver plated titanium steel + red gemstoneColor: silver ring， red agateSize: 7-12(USA Standard)Size7 diameter 17.3mm perimeter 54mmSize8 diameter 18.2mm perimeter 57mmSize9 diameter 19mm perimeter 60mmSize10 diameter19.8mm perimeter 62mmSize11 diameter 20.7mm perimeter 66mmSize12 diameter 21.5mm perimeter 70mm Package: 1 pcs/packageWish this is what is you wish!