100% Stainless steel ring. Just under 1/2 inch wide. Custom made, please let me know in the comments section your ring size or how many millimeters around you would like your ring.  This piece is handmade, please allow for 1-3 weeks for creation. Made by opening and closing tiny stainless steel rings around each other to form a pattern. Stainless steel will never rust, tarnish, change color or oxidize, and is hypoallergenic.