Brady 90105 B-324 7" Height, 10" Width, Glow-In-The-Dark Self-Stick Polyester Red On Green Color Exit And Directional Sign, Legend "No Exit" Brady offers many different exit/directional signs including bradyglo framed and frameless exit signs which are immediately visible in emergency situations Brady's safety signs use internationally reported pictograms and help promote greater communication of safety messages Brady B-324 is a non-toxic, non-radioactive, explosion safe (does not generate energy to induce explosions) material allowing for sanitary disposal