【HIGH QUALITY MATERIAL】 Strong frame is designed to support your back always in correct seating way, protecting your back and waist. Selected fabric reduces heat buildup and makes make you sit with good ventilation. The heavy-duty galaxy base with noiseless nylon silk, casters ensures stability and mobility. Upholstered back and seat, plus padded arms, in black PU leather for all day comfort. Office chair has a Heavy-duty metal base, great stability, and mobility. Office chair maximum capacity up to 250 lbs and the base has 2500lbs. It provides long day comfort, revolving office chair with many adjustable features.