High back ergonomic mesh office chair

1) New design ergonomic mesh office chair&3D headrest with cloth hanger
2) Full backrest can be height adjustable & back with black nylon connector
3) Fabric padded seat with injection molded foam inside+plastic cover
4) Black 5D armrest with soft PU armpad
5) BIFMA passed CLASS 3 gaslift
6) Multi-functional mechanism with seat sliding & back reclining and locking at 3 positions functions
7) 350mm aluminium base &BIFMA passed 60MM PU nylon castors