Stools have seats made of injected polyurethane foam molded over a particle board frame.  Round polyurethane seat diameter of 12-1/2".  Seat thickness of 2-1/4".  Seats are compatible with all standard cleaning solutions.  Reinforced chrome base is 5-star and scuff-resistant.  Shock absorber.  Height-adjustable aluminum cast molded foot-ring.  FOB Shipping Point.

All Kango chairs meet or exceed applicable ANSI/BIFMA standards.