The Bungie High Back Bungie Office Chair features unique round black bungie cords for the seat and back suspension connected to a steel frame with nylon fittings. The silver powder-coated steel frame features long black polyurethane armrests and a black nylon base. This modern office chair provides comfort and ventilation for all-day work. Other features include an adjustable height swivel seat, a locking tilt mechanism with two locking positions and 50mm black nylon casters for mobility.