The video features a person coloring a drawing of a mermaid with a jellyfish. The mermaid is depicted with long hair, a tail, and a jellyfish hat. The person uses various colored markers to fill in the drawing, adding details and depth to the image. The colors used include shades of blue, pink, purple, and green. The person's hand is visible as they color, and the markers are placed on the side of the paper. The drawing is on a white background, and the person's coloring is precise and careful.