FCL Tungsten Ring Men Blue Plated Wedding Band 8mm Domed 8mm Matte Brushed Surface Size 7-13 Material:Tungsten Carbide. Polished Smooth Plated Blue Inner Face, Convenient Wearing Elegant Matte Brushed Surface, Excellent Touching Feeling Size 7-13 optional,come with a ring box. 30 Days Money Back Guarantee.