L-Ring 2MM Black Tungsten Wedding Ring in Comfort Fit Couple Rings Mens Womens Tail Ring Thumb Ring, Size 4-10(10) 2mm in width, 1.7-1.9mm in thickness and weight varies from 2-15g 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!