Oliver-H, China leather high back big and tall back support boss executive office chairs Material:PU 3) Nylon mesh + nylon

3) Nylon mesh + nylon seat frame with molded foam at seat front part4) 3D adjustable armrest with soft PU armpad 4) BIFMA passed CLASS 4 black gaslift5) Muti-functional mechanism with back reclining and locking at 3 positions function

1) Mid back ergonomic mesh office chair 2) Nylon mesh back + grey nylon with fiber back frame3) Fabric seat with injection molded foam inside + seat bottom with plastic cover4) Butterfly design lumbar supprot with height adjustable function5) 3D armrest with soft PU armpad6) Multi-functional mechanism with back reclining & 1 position locking functions7) BIFMA passed CLASS 3 gaslift8) 320mm chrome metal base with BIFMA passed 60mm nylon PU castors

Table leg is 2

7) BIFMA passed 340mm nylon five star base & BIFMA passed 60mm PU nylon castors

with SGS test report) 2) Mesh back + height adjustable padded lumbar support (+7CM) & black nylon back frame 3) Fabric padded seat with high density foam inside

Oliver-H, China leather high back big and tall back support boss executive office chairs Material:PU 3) Nylon mesh + nylon1) Executive office high back comfortable PU office chair 2) 1. 6mm PU padded seat & back with high density foam inside 3) PU padded armrest 4) Sychronized mechanism with back reclining & locking at 4 positions function 5) BIFMA passed CLASS 3 chrome gaslift 6) 350mm chrome base & 60mm BIFMA passed PU nylon castors 7) Quality warranty: 3 years.