Classic Replica high back office chair BLACK Pleather - stabilizing swivel bar and knee tilt with tensioner knob. (Single High Back, Black) CH2800. IMPROVED STURDY STRUCTURE FOR EXTRA LONG USE Fire retardant foam - California standard CA117, Back and seat with vegan leather padding and backing Tortion tilt mechanism with tensioner knob, all for extra stability, Pneumatic fingertip controlled gas-lift height adjustment High quality pyramid chrome base with black capped covered nylon wheels - slip resistant on most floors and carpets Back bar for coat hanger, Chrome arms with protective arm sleeves with zip available Max recommended weight: 286lbs