Special lady swivel chair with balancing seat / Infinitely variable seat height adjustment with top lift (LGA tested) / Breathable seat with 7 different zones and varying degrees of firmness as well as a spring core, with integrated Body-Balance-Tec® - joint for three-dimensional movement of the seat / Backrest additionally moulded at the sides and in the lower section, infinitely height-adjustable / Permanent contact mechanism, spring force individually adjustable to the body weight / Design backrestadjustable to body weight / Black designer polyamide base, equipped with load-dependent safety double castors for carpeted floors / Includes height and width-adjustable "K2" armrest (via screw connection) with soft pad(via screw connection) with soft pad armrest, radially adjustable / This model bears the GS mark of the LGA Nuremberg and fulfils all safety-relevant requirements in this context