The video shows a person drawing a glass of water with a straw on a piece of paper. The person uses a pencil to sketch the outline of the glass and the straw, and then adds details to make the drawing look realistic. The person's hand is visible in the video, and they are using a pencil to draw. The drawing is in grayscale, and the person adds shading to give the glass and straw a three-dimensional appearance. The person's hand moves with precision as they add details to the drawing, and the final result is a realistic depiction of a glass of water with a straw.