Special Design - The square tunnel is more fun than traditional tubular tunnels. The removable ball hanging in the hole can enhance your pet's curiosity and natural instincts. Safe and Durable - Made of super tear-resistant polyester, wrapped on a spring steel frame, with protection on both ends for cats. Easy to Store - The foldable tunnel can be folded up in seconds for easy storage and travel. It will keep your furry friend active and entertained all day long. Kitten Play Hideout - The cat tunnel has 4 ventilation holes, which increases the flexibility of pets to shuttle. You can watch them playing inside through the window. Keep Your Pet Active - It can be used for cats, rabbits, puppies and ferrets. This interactive toy can provide hours of exercise and self-entertainment. Use Scenarios - Indoor enrichment for cats and kittens: place the square tunnel in the living room to encourage exploration, pounce, and chase with the dangling ball, while you observe through the window. - Small pet den and exercise: rabbits and ferrets can use the tunnel as a hideout and run through it via the 4 ventilation holes, promoting activity and natural behaviors. - Travel and socialization: thanks to its foldable design, you can easily pack the tunnel for trips to a friend’s house, a vet visit, or an outdoor setup, keeping your pet engaged on the go.