A tried and true favorite domed style created from polished cobalt, a silvery-white contemporary metal with uncompromising strength that will not chip or crack, is scratch resistant and hypoallergenic. As a lasting symbol of your commitment, this 6mm width standard-fit band is designed to last a lifetime without losing its color or luster. Its platinum-look differentiates it from both tungsten and titanium. Suitable for engraving.