In the video, a person is seen cutting an onion on a white cutting board. The onion is white and appears to be a medium-sized onion. The person is using a knife with a silver blade and a black handle to make slices. The cutting board is placed on a white surface, and there are other vegetables, such as green bell peppers and tomatoes, visible in the background. The person's hands are visible as they hold the onion and make slices. The video is shot in a well-lit room, and the focus is on the onion and the cutting action.