the chair made by PP plastic.OEM ,CCCI,CEC offered 12 years ... size:65*52*98(110) the details of the computer chair is hereinafter ;Model:T-C07-1Product size:65*52*98 ... :22kgsG.W:24.5kgsQ,ty(1*20container):215pcsQ,ty(1*40HQ):429PCSthe features of the computer chair is hereinafter ;1.stable.If you sit ... .2.comfortable .3.durable.4.Adjustable.the height of the chair could be changed ,max:110cm office ...