This poster is a vibrant underwater scene featuring jellyfish. At the center, there are two large, yellow jellyfish floating near each other. They are in motion, with their tentacles trailing behind them. In the background, additional smaller jellyfish can be seen swimming against a backdrop of blue water with hints of seaweed. The water is framed by a darker blue space that suggests depth and an expanse of the ocean. The overall composition is aesthetically pleasing with a balance of warm and cool colors, creating a sense of tranquility.