This Scan Hazard sign is made from 1mm thick, durable PVC. It's aggressive water-based adhesive enables the sign 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 and/or ISO 7010 design criteria where applicable.Helps limit company liability should an accident occur. The SCA4104 safety sign has the following specifications:Size: 400 x 600mmMessage: 'Danger Men at work'.