Hon 4300 Series Passive Ergonomic Mobile Guest Chair with Arms 4300 Series Perpetual® Seating: Passive Ergonomic Mobile Guest Chair with Arms Dynamic seating solution automatically enhances comfort and provides continual support. Frame is solid steel wire, which allows the seat and back to flex independently. Upholstery has stain-resistant protection. Fixed arms. Seat: 17-1/2w x 19-1/2d. Back: 17-3/4w x 12h. Overall height 32-3/4". Meets or exceeds ANSI/BIFMA standards. The HON® Limited Lifetime Warranty. Shpg. wt. 41 lbs. (Can not ship UPS.) Casters supplied with this chair are not suitable for all floor types. Alternative casters are available to meet your specific needs. 51% Polyester/49% Acrylic Upholstery Titanium Base Raven Fabric