EXTREMELY DURABLE: All our OSHA safety products are made from commercial grade materials specifically rated for outdoor or indoor usage for years of maintenance free life in the harshest environments. Our signs will last as long as your business! SIZE & SPECS: 10" X 7" Rigid Plastic – Commercial grade polystyrene with (4) pre-drilled ¼” mounting holes and rounded corners. PROTECT YOUR BUSINESS: These signs help protect your business from legal issues and lawsuits while protecting your staff and customers by providing a safe OSHA or ANSI compliant work environment VIBRANT & VISIBLE: We use smart fonts and unrivaled inks and colors to ensure that our signs are visible inside and outside even in poor lighting and extreme weather. Our signs won't fade from the sun and are corrosion free for life. Products can be mounted on walls, doors, fences, construction and caution areas. PROUDLY MADE IN THE U. S. A. : Buy with the confidence and pride that only comes from purchasing a Sign Mission product produced in our state-of-the-art facility in West Palm Beach, Florida.