Knight, Wholesale Adjustable Swivel Office Chair 180 Degree Computer Office Chairs Material:PU 7) 320MM chrome base &

7) 320MM chrome base & BIFMA passed 50MM PU nylon castors

4) ARMREST: Height adjustable armrest with soft PU armpad5) 2

Visitor chair with 2

4) PP fixed armrest

Knight, Wholesale Adjustable Swivel Office Chair 180 Degree Computer Office Chairs Material:PU 7) 320MM chrome base &1) High back swivel PU gaming chair2) PU back and seat with high density foam inside, headrest with pillow foam side3) Height adjustable armrest with soft PU armpad4) 2. 5mm thickness butterfly mechanism with tilt & lock function, back reclining max. 155 degree and any angle locking5) BIFMA passed CLASS 3 gaslift6) 350mm nylon with fiber base +BIFMA passed PU nylon 60mm castorsRemarks: Height adj. armrest & 2D armrest, price is same; if change height