This classy ring is made of silver tungsten carbide with a koa wood inlay. The combination of metal and koa wood fit together perfectly, creating a beautiful ring. The materials are anti-allergic for a smooth feel in use. The ring is comfort fit, which means that the inside of the ring is rounded and it feels softer on the finger. A filled silhouette of koa wood decorates the topside of the ring. This ring is a great choice for daily users. The surface width of 8mm is enough to give the ring a masculine feel. A great overall choice for a classy gentleman today.