Ware Manufacturing's Tunnel of Fun is the perfect large sized hideout that your critters will love to chew, play and run through. Made out of cardboard that is completely safe for your pet and is thick enough to be chewed on for days. This hideaway is perfect for small pets to have the ability to run, play and hide which promotes a active and happy pet. Ware Manufacturing's Tunnel of Fun is the perfect toy for providing your pet with a sense of security while giving them a toy to chew and play in. Measures 10 Width X 6-1/4" Depth X 6-1/4" Height