40 mil polystyrene plastic, the UV and scratch resistant signs will last you a lifetime.
Expertly engineered to withstand the harshest conditions, this heavy-duty indoor/outdoor danger signage can be installed in minutes and used for a lifetime in any workplace.â¢ELIMINATE WORKPLACE RISK: Maintain an efficient OSHA or ANSI-compliant work environment and eliminate the risk of lawsuits, penalties, and fees by alerting employees and customers to standard safety protocol. Door Locked During Business Hours, 7 in W x Rectangle, Vinyl Decal Ideal for quick and easy application on any surface including walls, doors, windows, entrances, construction sites, workshops and caution zones. Aluminum signs are durable, strong, and able to stand up to tough weather conditions.