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. Wider than the average desk chair, and easily adjusted for height, the locking mechanism keeps the back upright and relieves the stress and pain brought on by other office chairs. This big and tall office chair is ready to report for duty to handle any task that you’re working on. Heavy-duty desk chair thoughtfully constructed to support larger and taller users, Desk chair using high-density sponge cushion, more flexible, office chair with a middle back design, rectangular ornament not only as a decoration, it can provide good Lumbar Support makes you feel comfortable. Office chair desk chair computer chair.