Ware Manufacturing Fleece Hang-N-Tunnel Crinkle Sleeper is the perfect choice for expanding living space and providing your small critter with a place to run, hide and sleep. This Hang-N-Tunnel features a crinkle sound your pets will find irresistible which promotes exercise and active playtime. Made of super soft fleece your pets will find this crinkle sleeper to be their new favorite safe spot. Ware Manufacturing's Hang-N-Tunnel Crinkle Sleeper attaches easily to any cage with durable nylon straps and clips. Completely safe and sanitary for your pets and is also washable. Measures 5" Width X 17" Depth X 6" Height.