This Scan Safety sign is made from 1mm thick, durable PVC. It's aggressive waster-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 design criteria and helps limit company liability, should an accident occur. The SCA0016 safety sign has the following specifications: Size: 200 x 300mm Message: 'Protective footwear must be worn'.