The Martha Stewart Piper Office Chair introduces streamlined elegance to your work space This chic desk chair is upholstered in black faux leather with a polished nickel frame and features sleek rounded armrests 360° Swivel seat with pneumatic height adjustment, tilt lock, tilt tension, and built-in lumbar support provides a custom seating experience Assembly and Care Instructions: Quick and easy assembly with included tools and wipes clean with damp cloth Dimensions - 21.5'W x 22.75'D x 37.5'H; Seat Size: 19'W x 18'D x 21.5'H; Back Size: 17.75'W x 17.75'H; Arm Size: 29'H from floor; 7.75'H from seat; Maximum Static Weight Capacity: 300LBS