Product information:Type: Ring, ringTreatment Process: ElectroplatingColor: Model 1 (diameter 6mm), Model 1 (diameter 8mm), Style 2 (steel color), Style 2 (black), Pattern 3 (black), Pattern 3 (steel color), pattern 3 (gray)Applicable people: UnisexSize: no.6, no.7, no.8, no.9, no.10, no.11, no.12, no.13Style: UnisexMaterial: MetalModeling: letters/numbers/textPopular elements: retro styleStyle: Retro