Features: 100% Brand New & High quality. Its special design will make you look unique. Make you charmer and elegant. Beautiful and attractive. Perfect gifts for your friends or lover. Description: Material: Stainless Steel Color: Black, Gold, Silver. Ring Width: 8mm The chain on the ring surface can be rotated About Size: Size Reference 6size=16mm in inside diameter 7 size=17mm in inside diameter 8 size=18mm in inside diameter 9 size=19mm in inside diameter 10 size=20mm in inside diameter 11 size=21mm in inside diameter 12 size=22mm in inside diameter 13 size=23mm in inside diameter Use the wire wound around the finger to measure its length again If the circumference of your finger is the following result: circumference 49-51（mm） please choose size 16 (size16 and size 6 is the same thing) circumference 52-54（mm） please choose size 17 (size17 and size 7 is the same thing) circumference 55-57（mm） please choose size 18 (size18 and size 8 is the same thing) circumference 58-60（mm） please choose size 19 (size19 and size 9 is the same thing) circumference 61-63（mm） please choose size 20 (size20 and size10 is the same thing) circumference 64-66（mm） please choose size 21 (size21 and size11 is the same thing) circumference 67-69（mm） please choose size 22 (size22 and size12 is the same thing) circumference 70-73（mm） please choose size 23 (size23 and size13 is the same thing) Package Included: 1PC x Ring. Notice: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2 cm differences due to manual measurement. Thank you for your kindly understanding.