Guest chair with casters features a mesh back to mold to your natural curvature. The exhaust vent in the plastic cover under the fabric-upholstered, cushioned seat offers even more breathability. Nylon pads top the fixed arms that are built into the four square tube legs. Casters allow easy movement & relocation. Use for your lobby or large meeting areas. Stack up to four high. Seat measures 18-3/4" wide x 18-3/8" deep x 18-1/8" high. Back size is 17-3/8" wide x 14" high.