Offex Mid Back Armless Black Ribbed Designer Task Chair LeatherSoft is leather and polyurethane for added Softness and Durability. Seat Height: 18 - 23"H, Overall Dimensions: 18"Wx 21.5"Dx 31.25" - 36"H Weight Capacity: 250 lbs. Glossy Black LeatherSoft Upholstery. Seat Size: 17.5"W x 16"D, Back Size: 17.5"W x 14.5"H. Contemporary Leather Office Chair. Dual Wheel Casters.