Safety first, right? This OSHA-compliant sign is exactly what you need to warn people about automatic gates. It clearly states 'DANGER - GATES OPEN AND CLOSE AUTOMATICALLY' in that classic black and red on white design that gets attention. Made from rigid polystyrene plastic that's 0.050 thick, so it can handle indoor or outdoor use without falling apart. Good chemical resistance and can take temperatures up to 183??F. Measures 14 inches by 10 inches - big enough to be easily visible. Perfect for factories, warehouses, parking facilities, or any place with automated gates where you need to keep people aware of potential hazards. Mounting's straightforward, and since it meets OSHA 29 CFR 1910.145 standards, you know it's legit. It's one of those simple but crucial safety items that could prevent accidents before they happen. Definitely worth having if you've got automatic gates anywhere on your property.