The video shows a person's hands adjusting a blue harness on a dog. The person is seen pulling the straps of the harness to ensure a proper fit. The harness is made of blue fabric and has silver buckles. The dog appears to be calm and cooperative during the fitting process. The person's hands are visible in the video, but their face is not shown. The background is not clearly visible due to the close-up shot of the harness and the dog.