▻Nylon+fiber plastic back, black/white options ▻Mesh back, fabric cover seat ▻Fixed armrest ▻High density foam ▻Multi-lock mechanism/Tilting mechanism options ▻Grade 3 SGS certified gas lift ▻Φ660 mm chrome base/nylon base options bearing capacity 1133KGS ▻ Φ2 inch PU caster SGS certified，at least 100,000 times friction ▻Product size Swivel chair：width 590MM,seat depth 460MM，seat height 460-540MM,total height 940-1020MM ▻Package Swivel chair：2pcs/1ctn,0.15m3/pcs, G.W:16kg/pcs