In the video, a dog is seen wearing a colorful hat while sitting on the ground. The hat has a green base with orange trim and a pattern of various colors. The dog is a light-colored breed with a short coat, and it appears to be calm and relaxed while wearing the hat. The background of the video is a pool with blue water, and the ground is tiled in a light color. The dog is sitting on the tiles, and there is a person's hand visible in the video, petting the dog. The dog's expression is neutral, and it does not seem to be bothered by the hat.