Constituted with a sturdy chrome base, TUV certified casters and SGS approved Gas-Lift system, the chair is endurable. You don't have to worry about tipping over or exploding. Better still, the powder-coated chrome base and footrest complement the modern design. The 360-degree swivel and height adjustable seat adds more convenience. 360-degree casters provide the best mobility, meanwhile keep the floor away from being scratched.