High Quality Material: Our pet tunnel uses eco-friendly material from a premium supplier. It's made of super-durable, ripstop polyester, and has 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 crinkle crackle paper, peephole and bell. 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 into place. a few seconds. It is therefore ideal for travel, indoor and outdoor activities and requires only a small space for storage. Improved space: Each tunnel measures approximately 25cm in diameter and 30cm in length, making it a great accessory for multiple cats, giving them plenty of entertainment space while improving their agility and health. Improved feature: our tunnel for cats combines exercise and therapy, providing hours of mental stimulation and physical play for your pet, allowing them to burn off excess calories, boost their confidence and improve their health.