A place to hide and play - Cats need a mysterious place to exercise and play. Spacious connected tunnels invite cats to hide, stalk, bounce and run, encouraging healthy activity and stimulating the cat’s natural hunting instincts. The S-shape adds more mystery than the straight-line model and provides more space for entertaining. With crackle paper and peepholes that make fun noises when the cat steps on it, the cat can monitor the outside world. PREMIUM MATERIAL - High quality ripstop polyester fabric wrapped around a Sturdy spring steel frame, durable, don’t worry about scratches and deformation, can withstand cats’ scratching game. 4 types to choose from: 2-way tunnel (length: 122cm, diameter: 25cm); 3-lane tunnel (length of each tunnel: 60cm, diameter: 25cm); 4-lane tunnel (length of each tunnel: 60cm, diameter: 25cm); 5 track tunnels (length of each tunnel: 60cm, diameter: 25cm). PORTABLE AND CLEAN - This cat tunnel opens in seconds, has a collapsible design that easily folds