Set His & Her's Matching 6mm / 8mm Black Brushed Center with Polished Edge Tungsten Carbide Wedding Band Set Please Use drop down menu to select desired sizes. Genuine Tungsten Carbide (Cobalt Free) Wedding Band Ring Hypoallergenic - Comfort Fit This ring can be worn as a Wedding Band or Promise Ring by men or women Beware of imitated replicas - 30 Day Money Back Gurantee!