Office chair Office staff computer chair Desk desk comfortable sedentary conference room workstation back lift swivel chair

1)  nylon frame
2)  High quality fabric for the back , 55 degree molded foam for the fabric seat
3)  2D  High adjustable armrest p
4) High adjustable lumbar support
5)  3 class locking mechanism
6)  340mm nylon  base
7)  60mm PU castor pass BIFMA test