In the video, a person is seen painting a glass jar with a red color. The person is using a paintbrush to apply the paint evenly across the surface of the jar. The background is blurred, but it appears to be a kitchen or workshop setting. The person's movements are steady and precise, indicating that they are experienced in this task. The red paint stands out against the clear glass of the jar, and the person's hand movements suggest that they are taking care to cover every inch of the jar's surface.