High Back Office Chair Swivel Furniture Adjustable Office Chair Material:Mesh 3) PU/Fabric padded seat with

3) PU/Fabric padded seat with injection foam inside + plastic seat bottom cover4) 3D adjustable armrest with soft PU armpad 4) BIFMA passed CLASS 4 chrome gaslift5) Muti-functional mechanism with back reclining and locking at 4 positions function

50mm castors

With flip-top wire box

7) BIFMA passed 340MM nylon base & BIFMA passed 50MM PU nylon castors

chair seat: PP material

High Back Office Chair Swivel Furniture Adjustable Office Chair Material:Mesh 3) PU/Fabric padded seat with1. Mesh back + fabric seat with high density foam inside 2. Fixed PP with fiber armrest3. BIFMA passed CLASS 3 gaslift4. 320MM nylon metal base + 50MM PU castors