PLACE TO HIDE AND PLAY - Cats need a mysterious place where they can exercise and have fun. Spacious connected tunnels invite the cat to hide, stalk, bounce and run with it, encouraging healthy activity and bringing out your cat’s natural hunting instinct. TYPE S 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 walk on it, and cats can monitor the outside world. PREMIUM MATERIAL - The high quality tear-resistant polyester fabric Wrapped around a sturdy spring steel frame, strong and durable, never worry about scratches and deformation, resists the romp of cat scratchers. PORTABLE AND CLEAN - This cat tunnel opens in seconds, collapsible designed, it’s easy to fold in seconds and secured by the provided elastic band, provides a stuff sack for easy travel and storage. Simply wipe the tunnel with a damp cloth. S-Shaped Cat Tunnel Functions: PREMIUM