Style: Trendy Type: Finger Ring Material: Titanium Steel (316L Stainless Steel) Main Color: Steel Color, Gold, Black Weight: About 13g Ring Size: 7 / 8 / 9 Size(US) 7 8 9 Diameter(mm) 17.3 18.2 18.9 Perimeter(mm) 55 57 59 (Please see the size reference for size conversion and detail information.)  Package Includes: 1 x Ring Details: Â