Steven-H (Adj.armrest),Upgrade adj. armrest high back 2D lumbar support office chair Ergonomic office chair main top with 50MM thickness

main top with 50MM thickness

with eight 86 socket holes

( botton with three colors for options

6) Muti-functional mechanism with seat sliding & back reclining and locking at 3 positions functions

Steven-H (Adj.armrest),Upgrade adj. armrest high back 2D lumbar support office chair Ergonomic office chair main top with 50MM thickness1) High back ergonomic mesh office chair 2) Mesh back + black PP with fiber back frame + height adjustable headrest + 2D lumbar support 3) Fabric padded seat with high density foam inside 4) Height adjustable armrest 5) Multi functional mechanism with back reclining & one position locking function 6) BIFMA passed CLASS 3 gaslift 7) 350mm chrome metal base with 60mm castors