Product details:

Alera Alera Interval Series Swivel/Tilt Task Chair, Supports up to 275 lbs., Graphite Gray Seat/Graphite Gray Back, Black Base Back height adjustability. Waterfall seat edge helps relieve pressure points on the underside of legs. Five-star base with casters for easy mobility. Optional Arms sold separately. Molded plastic shell resists impact. Waterfall seat edge helps relieve pressure points on the underside of legs. Five-star base with casters for easy mobility. Optional Arms sold separately.