Choose OFM Anti-Bacterial Task Chairs for clean rooms, labs, hospitality areas—anywhere you want to keep germ free. Upholstery is constructed of vinyl that resists germs and other disease-causing microbes. Backrest is upholstered on the front and back and includes a lumbar support, as well as back support and height adjustment controls. Other features include: pneumatic seat height adjustment, adjustable height arms, and black five-star base. 250-lb. capacity. Meets or exceeds ANSI/BIFMA standards.