NMC D99P OSHA Sign, Legend "DANGER - NO SMOKING OXYGEN IN USE", 10" Length x 7" Height, Pressure Sensitive Vinyl, Black/Red on White Header "DANGER" and Legend "NO SMOKING OXYGEN IN USE" Ideal for indoor use Made of pressure sensitive vinyl 0.0045(PSV) NMC OSHA sign Measures 10-inches length by 7-inches height