Steven-H (Adj.armrest),Upgrade adj. armrest high back 2D lumbar support office chair Ergonomic office chair ( botton with three colors

( botton with three colors for options

7) BIFMA passed 340MM nylon base & BIFMA passed 50MM PU nylon castors

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

3) 3D armrest with soft armpad

Steven-H (Adj.armrest),Upgrade adj. armrest high back 2D lumbar support office chair Ergonomic office chair ( botton with three colors1) 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