Accuform Signs® "DANGER HIGH VOLTAGE" Black/Red/White Electrical Safety Sign measuring 7" X 10" is printed on 0.055" thick, high-density polyethylene with UV-inhibitors. Plastic safety sign is perfect for standard-duty use like installation indoors and for protected, short-term outdoor applications. Impact resistant sign has rounded corners with 3/16" mounting holes and look, feel like standard non-recycled plastic signs. Printed using environmentally sensitive digital print technologies, inks and comes with a non-glare finish. It has rounded corners, 3/16" mounting holes and suits for low-cost informational usage, medium-duty marking needs. Sign has surface mounting style and meets OSHA 29 CFR 191.33 standards.