Type: Jewelry Rings<br />Material: Titanium Steel <br />Gender: Men <br />Color: black pink green red blue  <br />           black blue red&silver                 <br />USA Size: 6/7/8/9/10/11/12/13/14/15<br />★Attention，if you don’t know which size is right for you， please compare with the following date★ <br />US Size5   diameter 15.7mm   perimeter 49mm<br />US Size6   diameter 16.5mm   perimeter 52mm<br />US Size7   diameter 17.4mm   perimeter 55mm<br />US Size8   diameter 18.2mm   perimeter 57mm<br />US Size9    diameter 19mm   perimeter 59mm<br />US Size10   diameter 19.9mm   perimeter 62mm<br />US size11   diameter 20.7mm   perimeter 65mm<br />US size12   diameter 21.5mm   perimeter 68mm  <br />US size13   diameter 22.3mm   perimeter 70mm   <br />US size14   diameter 23.1mm   perimeter 72.5mm  <br />US size15   diameter 23.9mm   perimeter 82mm