TIDOO Jewelry Pack of 4 Men's Stainless Steel Rings --Black, Rose Gold, Silver, Gold Tone 4 in One Set Material:316 L Stainless steel,Top Quality/Never Fade/Brand New Design/Anty-Allegy Cool Design Nickle Free, Environmental gilded ornaments, in line with EU environmental standards, does not cause skin irritation, wear safety All uses the manual polishing technology.Exquisite workmanship,overall polishing process,the surface is smooth An excellent gift for anniversaries, graduations, birthdays, or just as a surprise to remind that special someone how much you care