Emma-H, Office chair high back ergonomic swivel computer gaming chair black Combine file cabinet 8mm thickness +BIFMA passed PU

8mm thickness +BIFMA passed PU nylon 60mm castorsRemarks: Height adj

if change height adj

0mm multi-functional mechanism with back reclining & locking at any positions function

The middle board is 2 sides fabric covered MDF board

1) Modern design ergonomic mesh office chair 2) BACK: Mesh back with black PP with fiber back frame

Emma-H, Office chair high back ergonomic swivel computer gaming chair black Combine file cabinet 8mm thickness +BIFMA passed PU1) Height adjustable armrest 2) Mesh back + PP back frame (Back strength test more than 130kgs) 3) High density foam with fabric cover + fixed PP amrest 4) 2. 5mm thickness butterfly tilt&lock mechanism 5) BIFMA passed back CLASS 3 gaslift 6) BIFMA passed 320mm nylon base with BIFMA passed 50mm PU nylon castors