Foldable Design: Our cat tube adopts spring steel structure, easy to fold, easy to carry, and save space when not in use, so you can use the tunnel at any time anytime and anywhere, so pets can go anywhere Toy Ball: Our cat tunnel has a hanging ball placed at the exit, which provides maximum interactive fun for the domestic animals. It's a great way to encourage daily exercise and keep pets active. Interactive Toys: Compared to other dark-colored tunnels, our rainbow tunnel provides your pets more ways to play, than cat tents, blocks and scratching mats. They can play hide-and-seek and search all day. A parent pet with multiple cats. Colorful colors: The rainbow cat tunnel has a variety of colors that can attract cats' attention and light up your home, adding more fun to your pet Suitable for cats: ideal for most adult cats and kittens for indoor and outdoor use, ideal for small dogs, rabbits and ferrets.