The LUCKITTY Cat Tunnel Tube is perfect for small animals like rabbits, kittens, ferrets, puppies and dogs. With a strong and sturdy spring structure, this tube can be used both indoors and outdoors. The LED lights inside the tube provide a self-luminous glow that makes it easy to find your way in the dark. The tube also features an easy-to-reach pop up mechanism that makes it easy to store and take out.