Titanium! Strength and longevity are the benchmarks of this metal and the perfect symbol of lasting love... Each of our titanium rings is custom made to your needs. You pick the finish, the size and even the width of the ring (Note: this can alter the appearance, especially when it comes to the inlay channels). The blue colors you see are a layer of titanium oxide naturally protected within the depths of the recessed channels. Ring shown in polished finish...