Larger - diameter 30cm, longer - 130cm: The cat tunnel is an upgraded version, solved the problem that the big cat could not enter the small tunnel Two holes and S design: it is more interesting than other tunnels without holes, and this tunnel is more exploration than others. Easy to pinch and use: Open and fold in seconds, with a buckle on the side, it is easier to transport or store Interaction: You can interact with your cats and make them feel the company of the owner Stable structure: steel structure and nylon fabric for long life.