The ring is made of tantalum with black zirconium. The center of the ring has a brushed finish and has a grey color. The edge of the ring has a polished finish and is black. The ring is 8 millimeters wide and weighs 11.6 grams. The ring is a finger size 10. This ring can not be sized so we would have to have one made to fit your finger if needed. We will provide a ring box.