Ideal gift: Nice Gift for Man/women/teen/biker/couple. Such as cocktail party biker Halloween statement anniversary Valentines and etc. Multiple choices: The ring size is 7-13. You can choose ring size according your fingers. Package Includes: 1 Piece Ring Specifications: Material: Stainless Steel Size: 7/8/9/10/11/12/13 (Optional) Size 8 Diameter: Approx. 152mm/5.98 inches Size 9 Diameter: Approx. 155mm/6.10 inches Size 10 Diameter: Approx. 158mm/6.22 inches Size 11 Diameter: Approx. 164mm/6.46 inches Size 12 Diameter: Approx. 165mm/6.50 inches Size 13 Diameter: Approx. 168mm/6.61 inches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.