The barrels used in the making of this ring are hand cut by our master jewelers. They are made from genuine aged reclaimed bourbon whiskey barrels. This ring is made with our solid black ceramic metal and has a durable water resistant coating on top to protect the wood inlay. Our ceramic is a pure black metal that is not coated or colored, and is hypoallergic. Since ceramics are non-metallic, they do not cause any problems for people with skin allergies. This ring is has a light weight design and a comfort fit to wear all day in complete comfort. The antler used is from natural deer antler shed. 8mm