Get your message out in style with this custom cast sign. Each Beware of Dog sign is cast in one piece from rust free aluminum and coated with our exclusive tough Alumi-Shield finish to withstand all outdoor weather. Each sign includes an 18 inch lawn stake for easy placement. Get your message out in style with this custom cast sign. Each beware of dog sign is cast in one piece from rust free aluminum and coated with our exclusive tough alumi-shield finish to withstand all outdoor weather. Each sign includes an 18 inch lawn stake for easy placement.