Healthcare Upholstery Guest Chair with Casters is made for healthcare facilities with antimicrobial vinyl upholstery on the seat and back. Thick vinyl is easy to clean so it is perfect for frequent use by different guests. Both seat and back are cushioned for comfort. Polypropylene pads top the fixed arms that are built into the four square tube legs. Use the 275 lb. capacity chair for your lobby or large meeting areas. It rolls easily on four dual-wheel casters. Stack up to four chairs. Frame is made of steel. 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.