NMC hazardous materials sign. Legend "EMERGENCY EXIT ONLY SECURITY ALARM WILL SOUND IF DOOR IS OPENED". 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. Quickly identify and provide instructions for hazardous materials in the work place. Perfect for indoor use. Good chemical resistant. Maximum temperature: 178 degree F. OSHA Compliant. Measures 14-inches length by 10-inches height.