The Alvin Art Director Executive Leather Drafting Chair CH777-90DH will make you feel like the lord of all you survey with its beautiful black buffalo leather upholstery. This drafting chair has plush, extra-thick seat and back cushions-- the seat is 20 inches long, 19 inches wide, and 3 inches thick. The back rest is 19 inches wide and rises 20 inches above the seat. Seat height is adjustable from 24½ to 28½ inches with the pneumatic control lever. The reinforced black nylon base is 26 inches in diameter and has 5 swiveling wheels. The adjustable black foot rest is 21 inches in diameter. Assembly is required.