The video shows a seal swimming underwater. The seal is dark gray in color and has a long, slender body. It swims gracefully through the water, its flippers moving smoothly. The water is a light blue color, and there are bubbles visible around the seal. The seal's whiskers are long and prominent, and it has a small, pointed nose. The video captures the seal from various angles, showcasing its sleek body and the way it moves through the water.