VWR* Chair, maple plywood seat, chrome finish, high bench height, 23 inch diameter tubular steel base, 21 inch diameter affixed footring, 2 inch high glides. Seat height adjust: 23-30in, Seat: 16.5 inch w x 15.25 inch d x 0.5 inch t. Backrest: 14.5 inch w x 8.75 inch h.