Black Titanium 8mm Carbon Inlay Comfort Fit Band High Polished Edges Frame the Beautiful Carbon Inlay; Inlay has a Subtle Shimmer Comfort Fit Ring is 8.00 Millimeters Wide or .31 Inches in Width Lightweight, Durable, Dent and Corrosion Resistant; Impervious to Chemicals 45 Percent Lighter than Steel; Stronger than Gold, Platinum and most Metals Hypoallergenic, Commercially Pure Titanium