Mobile, armless guest chairs stack up to five high or use in meeting rooms, conference areas, cafeterias and reception areas. 20-1/4" wide x 19-3/4" deep seat and 21-1/4" wide x 16-1/4" high back are fully upholstered for comfort. Molded seat underpans protect seat fabric when stacked and give a finished appearance. Usable seat depth is 16-3/4". Seat from floor height is 18". Frame features 12-gauge, 1" steel tubing for exceptional rigidity. Upholstery is made with 50 percent polyester and 50 percent acrylic fabric with fabric protector. Chairs are available in black frame only and roll on 2" diameter, hooded dual-wheel casters. Chairs are certified by SCS to be in compliance with specific, indoor, air-quality emission requirements and meet or exceed ANSI/BIFMA performance standards.