L-Ring 8MM Men's Tungsten Wedding Ring Black & Red Carbon Fiber Inlay Beveled Edges Thumb Rings,Size 7-14 8mm in width, 2.3-2.5mm in thickness and weight varies from 6-20g according to different size. Packed in giftbox with the dimension of 2.4*2.4*2inch. High tech tungsten rings are scratch and fade resistant, as well as being hypoallergenic. Classic design, comfort fit, perfect wedding band or promise ring for men or women. If you are not sure about your finger size, don't hesitate to contact us, we are here to help!