... chair eames Leather chair ,Mesh chair ,Executive chair ,Hight back chair ,Lift chair ,sofa chair,lift chair,leather office ... plating,high density foam2)Armrest:Optional Adjustable armrest ( UP&DOWN)3)Mechanism: Tilt mechanism, multifunction mechanism Pneumatic seat height ... PP Castors FeaturesWell Padded Seat and Wood BackHigh Seat Back With Passive Lumbar support360 Degree Swivel RotationDual PP Wheel ...