Style: Trendy Type: Finger Ring Main Color: Siler Weight: About 5g Material: Zinc Alloy, Opal Ring Size: 6 / 7 / 8Â Size(US) 6 7 8 Diameter(mm) 16.5 17.3 18.2 Perimeter(mm) 52 55 57 (Please see the size reference for size conversion and detail information.) Â Package Includes: 1 x Ring Details: Â