Titanium steel Roman numeral rainbow ring $ 5.11 Material: titanium steel Treatment process; Epoxy Type: Ring, Ring Style: Men's Modeling: geometric type Health function: decoration Color: No. 7 Mei Wai, No. 8 Mei Wai, No. 9 Mei Wai, No. 10 Mei Wai, No. 11 Mei Wai, No. 12 Mei Wai