The Xpand Tunnel is a safe, expandable tunnel that fulfills your pet's instinctive burrowing behaviors and promotes healthy exercise, making it ideal for small mammals. This non-toxic plastic tunnel can fit inside any cage, instantly extends over 2 1/2 feet, and can twist and turn to form various shapes. Suitable for sugar gliders, hedgehogs, rats, gerbils, hamsters, degus, small guinea...