In the video, a man is seen putting a harness on a black dog. The dog is standing on a rug with paw prints on it. The man adjusts the harness around the dog's neck and back, ensuring it is secure and comfortable. The dog appears calm and cooperative throughout the process. The man then gives a thumbs up, indicating that the harness is properly fitted and the dog is ready to go. The video provides a clear demonstration of how to properly fit a harness on a dog, emphasizing the importance of comfort and safety.