The video shows a person holding a white plastic bottle with a flip-top lid. The person opens the lid, revealing a small opening at the top. They then proceed to unscrew the lid, revealing a larger opening. The person then unscrews the lid further, revealing a small opening at the bottom. They then unscrew the lid even further, revealing a larger opening at the bottom. The person then unscrews the lid one more time, revealing a small opening at the bottom. Finally, the person unscrews the lid one last time, revealing a large opening at the bottom.