Classy Rounded Black Center, Flat Edges, Polished Finish, Comfort fit, 7mm width, Sizes 8 to 13, made of Tungsten and Black Ceramic. Tungsten because of its toughness, affordability, scratch resistance and hypoallergenic properties has become a metal of choice in wedding jewelry. Available in a wide range of designs Tungsten bands are not only used as the main wedding band but its capacity to take abuse makes it an ideal everyday use band. Perfect for an inexpensive daily wear wedding band, birthday, engagement, graduation, anniversary gift or just about any other occasion. Includes Designer Gift Box.