The image is a rectangular sign with a white background and a red circle in the center. Inside the circle, there is a black silhouette of a dog, which appears to be a German Shepherd or a similar breed of dog. The dog is standing on all fours and is facing towards the right side of the sign. The red circle is crossed out with a diagonal line through it, indicating that the sign is not allowed. The sign is likely used to indicate that dogs are not allowed in the area.