Ware Manufacturing Crinkle Hang-N-Tunnel Sleeper for Small Animals - Colors May Vary Hanging tunnel sleeper with fun crinkle sound for small animals Made of super soft materials with no foam - washable Your pet will love to run, hide, and sleep in this Hang-N-Tunnel Hanging design keeps pets clean and comfortable while expanding your pets living space Fits inside any cage, durable nylon straps and clips allow for easy attachment Measures 15-1/2 inches long, 6 inches wide, 6 inches high