Durable Material: Cat tunnel is made of polyester double-layer fabric, which is not easy to tear, and is made of a high-strength steel frame with protective ends. It is not easy to collapse and can withstand the jumping and falling of pets. Endless Fun: Cat tunnels for indoor cats have 8 peep holes, multiple pets play together, chase, jump, and hide among each other. When the owner is not at home, the animals can also play by themselves. Help your cat increase physical exercise and improve appetite. Collapsible Design: With collapsible design, cat tubes and tunnels can be folded and shrunk in a short time, which is convenient for storage and carrying. Even if you are traveling, it is equally convenient to carry. It is a toy that your pet deserves. Appropriate Size: Cat tunnel toy is 150cm long, the widest is 65cm and the small wide side is 25cm, very suitable for cats, kittens, puppies, rabbits, chinchillas, ferrets, guinea pigs and many other small animals play together. Let your pet not get bored.