The Mobile tungsten carbide band features a strong strip of black carbon fiber that runs uniformly around the perimeter of the band and provides a strong contrast against the tungsten. It's the intricate details that make these tungsten wedding bands so unique. The beveled edges provide a bold look while the comfort fit interior provides a relaxed feel. This is the perfect wedding band for the perfect person! This ring ships within 1 business day. Free Lifetime Warranty and Lifetime Sizing; pay no restocking fees or deductibles!