OT3183 Features: * Executive chair * Thick padded black eco leather seat and back * One touch pneumatic seat height adjustment * Locking tilt control with adjustable tilt tension * Padded loop arms * Extra heavy duty nylon base * Dual wheel carpet casters * Seat height range: 17.75" to 21.5" Dimensions: * Thickness: 4", * Seat dimensions: 20" W x 19" D * Back dimensions: 25.5" H x 20.5" W x 4" D * Overall dimensions: 45.25" H x 25" W x 29" D Warranty: * Manufacturer provides 15 years limited warranty