High Quality Material: Our pet tunnel uses eco-friendly material from premium supplier. It's made of super-durable, ripstop polyester, and features a spring steel frame to keep its shape. The tunnel is waterproof, durable, and resistant to scratches and bites. Designed for pets: five large tunnels connected with cracked crinkle paper. This popular tunnel gives your cat more ways to have fun and gives them more room to roam, jump and hide. Foldable and portable: The foldable design with storage bag makes the tunnel easy to fold in seconds. It is therefore ideal for travel, indoor and outdoor activities and only requires a small space for storage. Enhanced Space: , making it a great accessory for multiple cats, providing them with plenty of entertainment space while improving their agility and health. Enhanced Function: Our cat tunnel combines exercise and therapy, providing hours of mental stimulation and physical play for your pet, allowing them to burn excess calories, increase self-confidence and improve health.