material:mesh armrest:pa+pu mechanism:SGS Gaslift:Sgs mesh in the cover of headrest and back and seatplastic back and seatarmrest:PA+PU with adjustable heightmechanism:can adjust height , tilt and lockbase:chrome base and nylon base is availablecastor:nyloncarton size:(Cm):67.5x40x63N.W(KG):18.5G.W(KG):21.0Lading capacity:20'GP/40'HQ:170/400
