In the video, a person is seen using a white cotton ball to erase pencil marks from a piece of paper. The person uses the cotton ball to rub over the marks, effectively erasing them from the paper. The video is shot in a close-up shot, focusing on the person's hands and the paper. The person's hands are steady, and they apply pressure to the cotton ball to ensure that the marks are completely erased. The video is shot in a well-lit room, and the person's actions are deliberate and precise. The sound of the cotton ball rubbing against the paper can be heard in the background. Overall, the video demonstrates a simple yet effective method of erasing pencil marks from paper using a cotton ball.