"Just because it's whiskey, it doesn't make it a bourbon." Each bourbon barrel ring is one of a kind just like your special someone who will wear it. The barrels used in the making of this ring are hand cut in heart of bourbon country Kentucky. They are made from genuine aged reclaimed bourbon barrels purchased from distilleries including makers, buffalo, turkey, woodford, beam, and roses. 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. 8mm Kentucky Straight Bourbon is an American Whiskey produced mainly in the southern part of Kentucky State. According to US Trade Legislation, a "bourbon" is a type of whiskey where the "mashbill"-which is the recipe of grains used to produce the whiskey-consists of 51% - 80% corn. This ring is made with our solid black ceramic metal and has a durable water resistant coating on top to protect the wood inlay. Length of Aging The bourbon that was in this reclaimed barrel must have been aged for a minimum of two years. Many premium bourbons on the market are aged between 6-16, with some as long as 27 years, this barrel was crafted of solid white oak wood.