BenchPro ESD/Anti Static chairs are made from Double Rub static dissipative vinyl with anti-bacterial agent (according to AATCC Test Method 147-1993), -10 degree F cold crack and over 500 hour UV Stabilized Pigments. We offer 10 year complete warranty including the foam, fabric and understructure must remain attractive and in proper working condition. The exception shall be damage due to customer impacts, burns, stains and cuts. BenchPro chairs provide excellent support for various body postures as they are firmer and come with built-in lumbar support. Our seats meet and exceed following safety standards: ANSI/BIFMA (American National Standards Inc, Business Industrial Furniture Manufacturers Association) and DIN (Deutsch Industrial Nomenclature).