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