Accuform, FBMRBH840PBAR10, 20" x 14" Bilingual Blank OSHA Header "Notice" Dry-Erase Aluminum Features: Image is printed on rigid fiberglass material Will not crack or chip as a result of exposure to extreme environments – even outdoors! Withstands splashes and washdowns Endures outdoor environmental conditions Service temperature range: -40° to 250°F Provides the strength of metal, yet never rusts Rounded corners and 3/16" mounting holes on most sizes, will be adjusted for larger sizes