In the video, a person is seen holding a clear plastic tube with a black rubber stopper on top of a glass bottle. The person is using their thumb to push the tube down onto the stopper, creating a seal. The glass bottle appears to be empty, and the background is a plain white wall. The person's hand is visible, and they seem to be wearing a white shirt. The tube is transparent, and the stopper is black. The person's thumb is pushing down on the tube, and the stopper is being pushed down onto the bottle's neck.