15 INTERCHANGEABLE LEGENDS IN A DURABLE, SELF-CONTAINED, ALUMINUM HOLDER. SPLIT PANEL DESIGNED FOR ROLL-UP DOORS. LEGENDS INCLUDE: COMBUSTIBLE, CORROSIVE, DANGEROUS, DANGEROUS WHEN WET, FLAMMABLE, FLAMMABLE GAS, FLAMMABLE SOLID, PGIII, INHALATION HAZARD (CLASS 2 AND 6), MISCELLANEOUS, NON-FLAMMABLE GAS, OXIDIZER, POISON, AND SPONTANEOUSLY COMBUSTIBLE