This is the modern Medium Mesh Back Chair. The back is covered with a firm. We Recommend this chairs for long time system workers. Its is Very comfortable for back pain and strong ABS cover with holes in the back. This back gives the chair lot of strength and beautiful look. The seat is made of PU Molded Foam to give better and firm seating. The Chair is very beautiful to place in any area of your office or home. The Chair has Push Back Mechanism, Hydraulic Gas Lift, Nylon Base with Nylon Twin Castors. The Chair is very good for your office staff, conference rooms and any long seating areas.