Sturdy Aluminum Material: Made of heavy-duty rust-free aluminum, our gate closed sign is weatherproof, ensuring durability and long-lasting use. Easy Installation: Pre-drilled holes allow for easy mounting on various surfaces, including U-channel, square or round posts, wooden fences, walls, and gates using screws or wire ties. Highly Visible Design: The red-colored sign with bold, legible letters is easily noticeable from a distance, effectively conveying the message to keep the gate closed at all times. Long Lifespan: UV printed with high-quality ink, our rust-free aluminum sign can withstand inclement weather without fading, providing a long service life . Safe and Attractive: Rounded and burr-free corners ensure safe handling and a polished look .