NMC restricted Area signs are designed to alert employees and guests of restricted areas within your facility. Let everyone know where they should not be. Glow Polyester 0.010 polyester film has a pressure sensitive acrylic adhesive backing. This material is non- toxic, nonradioactive and glows for more than 6 hours in total darkness. The film meets or exceeds the following standards: ASTM, IMO, ISO/CD, NFPA and OSHA. Good chemical resistance. Mounting: yes. Indoor use. Maximum temperature: 178 degree F. Measures 14-inches length by 10-inches height.