NMC D521AB OSHA Sign, Legend "DANGER - EXPLOSIVE VAPOR NO SMOKING NO OPEN FLAMES NO SPARKS", 14" Length x 10" Height, Aluminum, Black/Red on White Header "DANGER" and Legend "EXPLOSIVE VAPOR NO SMOKING NO OPEN FLAMES NO SPARKS" Ideal for indoor and outdoor use Made of aluminum 0.040 NMC OSHA sign Measures 14-inches length by 10-inches height