★foam
★Comfortable Ergonomic Design --- High-back and full waist cushion is designed according to ergonomic. High-back Design --- Designed to fit the natural shape of the human back, providing comfort and support to the low back.
★Five-star plating foot can easy mobility and increase load-bearing capacity.
★Pneumatic Lift System adjusts the seat height to your personal preference.
★Highly Durable Construction - Made of iron, faux leather, nylon, plastic
Color:Dark.