FEATURES : Material : Faux Leather, Steel Finish : Black PU surface, comfortable and easy to clean High-density foam padding offers great elasticity; PU wheels roll silently Seat height adjustable from 45 cm to 55 cm; anti-loosening screw; foldable armrests allow you to easily slide the chair under the desk to save space All essential parts (e. g. armrest, castor, gas spring and metal plate) have been tested by BIFMA. The stability of the base (70 cm dia.) has been tested by SGS Available at an affordable price Images shown are for illustration purpose only DIMENSIONS : Total Height : 111cm to 121cm Backrest Height : 76cm Diameter of Base : 70cm Seat Width 54cm and Depth 48cm Height of Armrest on the Floor : 70cm to 80cm