Ergonomic high back executive chair, 5-way chromed steel base with castors, 3 lever mechanism, extremely comfortable pneumatic height & depth adjustable seat is made from high density foam upholstered in black fabric (can be re-upholstered in fabric or vinyl of your choice), black mesh back for breathability & support, 4 position back tilt is lock & tension adjustable, back lumbar support is height & depth adjustable, armrests are height, depth & pivot adjustable, headrest is height & angle adjustable, 140kg weight capacity, 3 year manufacturer's warranty