"Restricted Area Authorized Employees Only, Don Not Enter Sign" has bright and visible color word patterns, easy to spot. Can prevent unauthorized people enter. Keep your privacy and improve the security of your property..This Sign adopts the reflective material. Reflective signs illuminate when struck by light from headlights or any other source and is hard to ignore. This makes the message readable even in the dark. ( But it cannot glow as bright as LED lights ) You will like how reflective it is..14 x 10 inches sign, made of sturdy and strong Engineer Grade Reflective Sheeting, Rust Free Aluminum. Durable and lifespan will be more than 7 years. The graphics and wordings will withstand the elements and will not fade, no matter the sun, rain, or other extreme weather..Signs have pre-drilled mounting holes for easy installation. It can be mounted on various surfaces. Perfect for driveways, yards, sidewalks, roads, and other areas. The sign can Safe handling with rounded corners and burr-free corners..A Perfect sized sign is to make sure that the important message can be easily seen, even from a few feet away. Ideal for both neighbor & yard use and for professional businesses, the signs are carefully designed to look sleek, authoritative, and easy to read.