In the video, a person is seen cutting an onion on a cardboard box. The person is using a knife to cut the onion into thin slices. The onion is purple in color and appears to be fresh. The person's hand is visible as they hold the onion and knife. The background is blurred, but it seems to be a kitchen setting. The person's movements are precise and careful as they slice through the onion. The sound of the knife cutting through the onion can be heard in the background.