BU4179 Features: * Vinyl arm rest * 360 Degree swivel * Cushioned seat and back rest * Caster base * Pneumatic seat height adjustment * Tilt function with lock and tension adjustment * Comfortable and stylish, Activate makes perfect complement to any serious business office Assembly Instructions: * Assembly required Dimensions: * Overall dimensions: 44.49"" H x 25.59"" W x 24.02"" D Warranty: * Manufacturer provides 10 Year Limited warranty for replacement parts