Hand fabricated from brass and sterling silver sheet. The outer band is brass with a roller milled line pattern. The spinner band is sterling silver that has a dot pattern texture and has a 4x6mm Iolite stone. The sterling band spins around the outer brass band. This ring is mine and is size 7.5. Spinner rings are great for individuals who fidget or have a lot of nervous energy. You can play with the ring to relax yourself.