Upholstered in soft and durable Black Fabric Built in lumbar support to maintain proper sitting posture Flexible adjustment for seat height, armrest height and tilt tension control Heavy duty nylon base with durable multi-surface dual wheel casters Black superior PolyPropylene(PP) with PolyUrethane(PU) padded armrest for arm positioning Convenient pneumatic seat height adjustment Tilt Tension Function enables to control the smoothness of the Back rest Tilt/Recline and can be adjusted as per the weight of the person sitting on it Excellent for office, work station and cubical area 360 degree swivel wheel and chair can run smoothly on floor Comfortable, Attractive, Supportive