Titanium 12mm Comfort Fit Dome Band, Size 8.5 Sleek, Classic Slightly Domed Titanium Grey Band in a Polished Finish Comfort Fit Ring is 12.00 Millimeters Wide or .47 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