This scan high intensity safety sign is made from 13mm thick rigid material it is printed using uv resistant inks which resist fading the background of this sign is photoluminescent which means that is glows and can be seen in the dark it is non toxic non radioactive with no lead of phosphorous the sign is easy to read with clear instruction and illustration exceeds pspa class 1 classification complies with bs5499 andor iso 7010 design criteria where applicable the sca1584 safety sign has the fo