Flat vector illustration, monochrome black and white. A circular prohibition sign featuring a clear black silhouette of a dog in a squatting, defecating posture. Two stylized mounds of waste below it. A bold black diagonal slash crosses over both the dog and the waste. Clean, thick lines and solid shapes on a stark white background. No gradients, no shading, no texture. Isolated sign, high contrast, universally understandable graphic. Ready for print and vinyl cutting --no grey shades, 3d, realism, complex details --ar 1:1 --stylize 50 --v 6.0

The image shows a black and white sign with a dog sitting in the middle of it, surrounded by a white background. The sign reads "No Dogs".