PLACE TO HIDE & PLAY - Cats need a mysterious area where they can exercise and have fun. The spacious connected tunnels invite cat to hide, stalk, bounce and run with it, encouraging healthy activity and bringing out your cat's natural hunting instinct. S-TYPE TUNNEL - The s-type can increase the mystery more than the straight type and provide more entertainment space. With crackle paper and peephole, it will create an intriguing sound when cats step on it, and cats can monitor the outside world. PREMIUM MATERIAL - High-quality tear-resistant polyester fabric wrapped around strong spring steel frame, strong and durable, no worry about scratching and deformation, withstands the antics of cat scratchers. 4 TYPES AVAILABLE - 2-way tunnel(Length: 122cm, Diameter: 25cm); 3-Way Tunnels (Each Tunnel Length: 60cm, Diameter: 25cm); 4-Way Tunnels (Each Tunnel Length: 60cm, Diameter: 25cm); 5-Way Tunnels (Each Tunnel Length: 60cm, Diameter: 25cm). PORTABLE & CLEAN - This cat tunnel pops up in seconds, collapsible design, it's easy to fold up in seconds and secure with the elastic band provided, provide a storage bag for easy travel and storage. Simply wipe the tunnel with a damp cloth.