NMC ANSI signs are the perfect way to alert your employees and guests when a hazard is present in your facility. Header "DANGER" and legend "CONFINED SPACE TEST ATMOSPHERE BEFORE ENTERING". Keep your facility safe, buy an ANSI regulated sign today and prevent an accident tomorrow. Pressure sensitive vinyl 0.0045 (PSV) material has pressure sensitive adhesive backing and is flexible, which allows for mounting on smooth, curved or irregular surfaces. The material is long-lasting for indoor labeling. Good chemical resistant. Maximum temperature: 178 degree F. Mounting: yes. Measures 5-inches length by 3-inches height.