Ideal for active workers, this adjustable stool features a five-legged base with carpet casters, 360-degree swivel and pneumatic seat height adjustment (23" to 33" with casters). Features 15" diameter seat in durable, flame retardant DuPont Olefin fabric with thick, high density foam and polished aluminum base. Available colors: black, gray, burgundy or blue. (12-year "Intensive Use" Guarantee; Lifetime on Pneumatic Cylinder). (USA)