Aaron, Gaming chair racing office chair ergonomic design back gaming chair Material:PU 1) Mid back ergonomic mesh

1) Mid back ergonomic mesh office chair2) BACK: Mesh back + height adjustable lumbar support & black PP with fiber back frame 3) SEAT: Fabric padded seat with high density foam inside

4) Height adjustable armrest with soft PU armpad5) BIFMA passed CLASS 3 chrome gaslift6) Muti-functional mechanism & back reclining and locking at any positions function7) 330mm aluminum five star base & BIFMA passed 60mm PU nylon castors

5mm thickness butterfly mechanism with tilt&lock function6) BIFMA passed CLASS 3 gaslift7) 1

5) Chair size: Seat height: 46CM Seat width:48CM Seat depth: 42CM Total height:79CM

1)New material PP back and seat chair2)Black /White coating metal legs3) Chair size: Seat height: 68CM Seat width:43CM Seat depth: 43CM Total height:80 CM

Aaron, Gaming chair racing office chair ergonomic design back gaming chair Material:PU 1) Mid back ergonomic mesh1) High back swivel PU gaming chair2) PU back and seat with high density foam inside, headrest with pillow foam side3) Height adjustable armrest with soft PU armpad4) 2. 5mm thickness butterfly mechanism with tilt & lock function, back reclining max. 155 degree and any angle locking5) BIFMA passed CLASS 3 gaslift6) 350mm nylon with fiber base +BIFMA passed PU nylon 60mm castorsRemarks: Height adj. armrest & 2D armrest, price is same; if change height