Queenwish 6mm Black Tungsten Carbide Ring Silvering Celtic Dragon Men's Women's Wedding Band Size 5-13 Genuine Tungsten Carbide 6mm Widt,Blue fiber Carbon Inlay Silvery Dragon Black Edge Tungsen Rings Classic and Durable, Suit for Daily, Comfort Fit Design, Scratch Resistant High tech tungsten rings are scratch and fade resistant, as well as being hypoallergenic Designed for sensitive skin, it will not turn your finger green or cause an allergic reaction, will not rust, tarnish or corrode, and it will not change color in pool water, freshwater or saltwater.