BIG AND TALL, WEIGHT CAPACITY 500LBS Upholstered in soft and durable Bonded Leather Built in ergonomic back to maintain proper sitting posture Flexible adjustment for seat height, and tilt tension control Heavy duty chrome base with durable class 4 gas lift Black superior chrome with bonded leather 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