Cassie-H，new arrival simple office chair Material:Mesh + fabric 5) BIFMA passed CLASS 4

5) BIFMA passed CLASS 4 bchrome gaslift

4) BIFMA passed CLASS 3 gaslift

1) High back ergonomic office chair + 2D headrest+ footrest

155 degree and any angle locking5) BIFMA passed CLASS 3 gaslift6) 350mm black coating metal base with 1

6) 320MM chrome metal base & BIFMA passed 50mm PU nylon castors

Cassie-H，new arrival simple office chair Material:Mesh + fabric 5) BIFMA passed CLASS 41) New design ergonomic mesh office chair& 2D headrest +2D lumbar support 2) Black pp with fiber back frame + fabric padded seat with injection molded foam inside+plastic seat bottom cover 3) Black fixed armrest 4) BIFMA passed CLASS 3 gaslift 5) 2. 5mm thickness butterfly tilt & lock mechanism 6) BIFMA passed 340mm nylon five star base&BIFMA passed 60mm PU nylon castors