SIZE & SPECS: (2 Pack) 12" X 18" .063 Heavy-Gauge Aluminum COMMERCIAL GRADE: We use Engineer Grade Heavy Duty Rust Free .063 Aluminum materials to manufacture our signs. It is corrosion free, UV protected, waterproof, weatherproof, and non-fading. Using the latest advanced printing technology, we can ensure a high-quality sign that will not fade for 7 years. EASY TO INSTALL: It comes with 2 pre-drilled holes at the top and bottom for easy installation on U-channel posts, square or round posts, wooden posts, fences, gates, walls, or any solid surface. EASY TO READ: The Signs made by high quality printing and the letter are clear to read. MADE IN USA: All signs are manufactured in the USA, offering superior quality and durability.