Mercado Alliance Chair allows you to experience most comfortable office chair with highest quality. All chairs are upholstered with genuine leather and meet or exceed ANSI/BIFMA standards. For those need comfort through long day at work, Mercado Alliance Chair has deluxe knee-tilt mechanism with tilt-lock for easy reclining and Pneumatic seat height adjustment. chair suits needs of any individual! Features: -Swivel seat with pneumatic height adjustment.-Tilt tension and tilt lock.-Note: Most chairs ship unassembled, and cannot be returned once they have been assembled..-Collection: Mercado.-Distressed: No.-Country of Manufacture: United States.Dimensions: -Seat dimensions: 20''- 23'' H x 20'' W x 19'' D.-Back dimensions: 22'' H x 20'' W.-Overall dimensions: 39'' - 42'' H x 25'' W x 31'' D.-Overall Product Weight: 42 lbs.