N5BB-N7D24

backrest:Mesh fixed backrest(PA+GF) with decoration cover(ABS) 

Lumbar:optional  adjustable lumbar,extra USD1.5

Arm:Fixed armrest (PA) with (ABS) armpad

Seat:fire retardent molding foam, fabric, 14mm plywood, plastic cover 

Mechanism:synchronize tilting and one locking

Gaslift:Class 3 gaslift

Footbase:Nylon base (d=650mm); PA castor(d=50mm)

non-artificial damage, warranty: 5 years