Moto Mobile Stack Chairs with arms feature fully upholstered backs and seats that are thickly cushioned for comfort. Upholstery is 100 percent polyester. Mobile chairs allow quick configuration of seating. Chairs stack four high and feature 1-1/2" hooded dual-wheel casters for easy mobility. Each chair holds 250 lb. and features a steel frame with a black powder-coat finish. Seats measure 17-1/2" wide x 17" deep. Back dimensions are 18" wide x 13-3/4" high. Chairs meet or exceed applicable ANSI/BIFMA standards.