This set of 6 identical Scan Saftey signs are made from 1mm thick durable PVC Its aggressive waster-based adhesive enables the signs to easily stick on to and remain on any wall It is printed using UV resistant inks which resist fading It is easy to read with clear instruction and illustration Complies with BS5499 andor ISO 7010 design criteria and helps limit company liability should an accident occur The SCA0153 safety signs have the following specifications Size 6 signs measuring 100mm x 100mm Message Fire door Keep locked shut