Description: Three Classic Color Circles:Black,Gold,Silver. Two Circles Are Turnable; Three Numbers: Roman Number,Dates,Arabic Numerals; Smooth Inner Surface,Made of Stainless Steel,No Allergy Materials; Fashion Novelty Vintage Charming Design Ring or Necklace Pendant; Suitable for Good Friend or Couples,Very Useful for Reminding Time Specification: US13 Inner Diameter Approx.22mm/0.87inch Ring Width Appro.8mm/0.31inch Ring Thick Appro.2.5mm/0.1inch Package Includes: 1 Piece Ring Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above.but Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc. there could be some slight differences in the color tone of the pictures and the actual item