Boss Office Products Set of 2 Black Contemporary Ergonomic Task ChairEconomical stack chair provides superior durability and lumbar support Black polypropylene seat and back Solid chrome frame An opening integrated in the sculpted seat back allows for ease of movement and stacking May be stacked 16 high on dolly Features Collection Name none Color Finish Family Chrome Manufacturer Color Finish Black Back Material Plastic Seat Material Plastic Frame Material Metal Wood Species Poplar Finish Type Metal Style Contemporary