Kelly-H,high back ergonomic mesh office chair 3 chrome gaslift 2) New mesh back +

2) New mesh back + nylon back frame +2D lumbar support

2) Mesh back + 2D lumbar support & nylon back frame & 2D headrest

7) BIFMA passed 350mm white nylon base + BIFMA passed 60mm PU nylon castors

2) Nylon back frame + fabric uphostery seat with W shaped injection molded foam +plastic cover

Kelly-H,high back ergonomic mesh office chair 3 chrome gaslift 2) New mesh back +1) High back ergonomic mesh office chair with 2D headrest 2) Mesh back + PP back frame + height adj. lumbar support 3) Fabric padded seat with high density foam inside 4) Fixed amrest 5) BIFMA passed CLASS 3 black gaslift 6) Multi functional mechanism with back reclining & one position locking function 7) 320mm PP five star base & BIFMA passed 50mm balck PU nylon castors