In the video, a person is seen holding a clear plastic bottle in their left hand and a white plastic straw in their right hand. The person then inserts the straw into the bottle and begins to blow air into the bottle, causing the liquid inside to move around. The person continues to blow air into the bottle, creating bubbles and swirling the liquid around. The person's actions are deliberate and controlled, as they manipulate the straw to create different effects within the bottle. The video provides a close-up view of the bottle and the person's hands, allowing the viewer to see the details of the straw and the liquid inside the bottle.