Upholstery and fabric (Trevira CS) are made of fire-resistant material. The infinitely variable adjustment of the tilt allows you to optimize your personal sitting position, thus contributing to your well-being and health. The black fabric has a durability of 100,000 abrasion cycles. The black powder-coated base is made of robust tubular steel with a wall thickness of 0.078". Low-noise plastic glides, stacking racks and stacking protection are further useful features. The scope of delivery also includes a set of rubberized foot caps.