▻PP+fiber plastic back, black/white options ▻Mesh back, fabric cover seat ▻Adjustable armrest ▻High density foam ▻Tilting mechanism ▻Grade 3 SGS certified gas lift ▻Φ660mm chrome base/nylon base options bearing capacity 1133KGS ▻ Φ2 inch PU caster SGS certified，at least 100,000 times friction ▻Product size High back swivel chair：width 620MM,seat depth 480MM，seat height 440-500MM,total height 1140-1200MM Low back swivel chair：width 620MM,seat depth 480MM，seat height 440-500MM,total height 920-980MM ▻Package Swivel chair：2pcs/1ctn,0.01m3/pcs, G.W:15kg/pcs