TENT & TUNNEL 2-IN-1: multi-function, the cat can either play or rest in it, with velcro connection, it is convenient and easy to install..EASY TO STORE: It is easy to fold, the volume is small after folding, and it can be easily put into a storage bag, which is easy to carry and lightweight..HIGH-QUALITY AND PLAYABLE: A sturdy polyester fabric that is waterproof, strong, and tear-resistant, and is not easy to be scratched; round and flexible steel wire skeletons support the shape of the tunnel, keeping it from deforming, and allowing cats to have fun..MULTIPLE INTERESTS: With built-in crinkle crackle paper, cats will enjoy the play tunnel a lot; hanging small balls containing bells can attract the cat; there is a circular opening at the top of the middle, and the cat can enter and exit as it want to; with several wide and long durable tunnels..IMPROVING THE CAT'S LIFE: make the cats exercise more to keep fit, sleep better, have fun, relieve and improve appetite.