Sold as 1 Each. Big Tall Office Chairs. Back Dimensions: 22.5'W x 26'H. Assembly Required. High back mesh design with adjustable lumbar support. Tilt Lock Mechanism rocks/tilts the chair and locks in an upright position. Color: Black LeatherSoft/Mesh; Material: Foam, Leather/Faux Leather, Mesh, Metal, Plastic. Height-adjustable arms to support the shoulders and upper body. Meets or exceeds ANSI/BIFMA standards. Swivel seat for easy maneuverability. Tilt Tension Adjustment Knob adjusts the chair's backward tilt resistance. Overall Dimensions: 31.5'W x 28.5'D x 43.5' - 47.5'H. Tilt with adjustable tension control and tilt lock for comfort. Warranty: 2 Years Limited. Executive style chair perfect for office and desk. Waterfall Seat reduces pressure on your legs. Seat Dimensions: 20' - 24'H x 22.5'W x 22'D. Rated for up to 500 lbs Based on 8-10 Hours Use. Big and tall office chair with wheels. Padded Flip-Up Arms.