In the video, a person is seen using a small brush to paint the inside of a glass jar. The jar is placed on a table with a striped tablecloth. The person's hand is visible as they hold the jar and brush, and the brush is being dipped into a paint can. The person is carefully painting the inside of the jar, ensuring that the paint is evenly distributed. The video is shot from a top-down perspective, allowing the viewer to see the entire process of painting the jar.