Mens Womans Thin Ring Classic Polished Stainless Steel Band New 5mm Sizes 9-13All our stainless steel jewelry is crafted from the finest 316L grade stainless steel, referred to by the medical community as surgical steel, that provides a flawless finish guaranteed to stand the test of time. Our "comfort fit" jewelry is designed using the latest laser technology to ensure precision cuts, smooth edges and quality finishes. We promise superior service which includes fast shipping, great communication, and a full refund policy.Keep your fine jewelry shiny and elegant by storing it properly. Jewelry needs to be stored in a dry area, preferably away from air in a jewelry box or plastic bag. Avoid exposure to harsh chemicals. Use a polishing cloth to remove tarnish build-up over time.