Chris-HG,Gray curved backrest fits the human body office chair Material:Mesh + fabric Nylon mesh back with nylon

Nylon mesh back with nylon back frame in ergonomic design3) Double layer nylon mesh seat with injection foam for seat front inside + nylon seat frame4) Seperated back lumbar support with automatically rebound forward and backward

5) Wire control multi-functional mechanism with back reclining & 3 positions locking + seat sliding function + footrest

1) High back PU excutive chair

6) 340MM nylon base with BIFMA passed 60mm PU nylon castors

Chris-HG,Gray curved backrest fits the human body office chair Material:Mesh + fabric Nylon mesh back with nylon1) New design ergonomic mesh office chair+2D lumbar support 2) Grey nylon back frame + fabric uphostery seat with W shaped injection molded foam +plastic cover 3) New design 3D armrest with soft PU armpad 4) BIFMA passed CLASS 3 gaslift 5) Multi functional mechanism with back reclining & 3 positions locking functions 6) 350MM chrome metal base & BIFMA passed 60MM PU nylon castors