▻Patented product, patent No.:ZL 201130120929.5 ▻PU/genuine leather options ▻Yellow resistance, abrasion resistance, insect resistance, hydrolysis test ▻High density foam ▻Solid wooden arm,PU armrest top pad ▻Tilting mechanism ▻SGS certified gas lift,grade 3 ▻¢690MM solid wood base weight capacity 1134KGS，ANSI BIFMA standard ▻2.5 inch SGS certified PU caster，98,000 times no damage ▻Visitor chair：high density foam,bent wooden frame ▻High back:width 660MM,seat depth 500MM,seat height 490-550MM,total 1210-1270MM Low back:width 650mm, seat depth 490MM,seat height 480-540MM,total 1030-1090MM Visitor:width 650mm, seat depth 490MM,seat height 500MM,total height 990MM ▻High back chair package：2pcs/2ctn，0.25m3/pcs, G.W：29kg/pcs Low back chair package：2pcs/ctn，0.22m3/pcs, G.W：27kg/pcs Visitor chair package：2pcs/ctn，0.20m3/pcs, G.W：18kg/pcs