U1BB-N7TB6

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

Lumbar:optional fixed lumbar,extra USD1.5

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

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

Sled base:Black sled tude base with tilting (d=32mm,T=2.0mm)                                                                                              

non-artificial damage, warranty: 5 years