... conforms to en531 and nfpa 2112 standard Material & Features of Fire Retardant Coveralls: *China-made 100% cotton flame resistant (FR treated);*Durable, ... .Applications: Oil and gas fields, metal smelting, welding, machinery, fire service and other special locations that need thermal protection.Size ... red, light yellow, navy, silver gray.Standards: EN531, EN471, NFPA2112; Fire Retardant Coverall