office chair 1,PU upholstered the chair, foam filled, pp rmrest ,butterfly seat plate 2,size,see below 3,packing office chair1,PU leather upholstered the chair, foam filled, pp armrest ,butterfly seat plate ,100mm gas lift,320mm nylon base or 320mm PP base ,,50mm nylon castor ,detail as picture2,size:back size: W*H:52*72 Seat size: W*D:52*52 Seat height (adjustable):44-543,packing details:carton ...