Unique 5mm Tungsten Carbide Wedding Band with Abalone Shell Inlay (Whole & Half Sizes 4-13) 5mm Comfort Fit Cobalt Free Tungsten Carbide Band Abalone Shell Inlay Sleek Tungsten Ring - Not Resizable but we are more than happy to exchange it for you. Shape: Flat with Step Down Rounded Edges; Finish: Polished with Abalone Shell Inlay **Please verify your size before checking out**