This indoor cat tunnel has a soft, durable faux fur shell as well as a silky crinkle lining. It's great fun for your kitty and it's comfortable too! It features two large peepholes and a dangling ball suspended inside the tunnel for extra enjoyment. The Sherpa Fun Tunnel can be folded down and tied for quick and easy storage. It has a sprung steel frame to maintain it's shape. You can tie two Fun Tunnels together and double your kitty's fun!