The Kaytee CritterTrail Super Habitat is a large, spacious enclosure designed for pets such as large hamsters, gerbils and rats. With 540 square inches of space, the enclosure ample room for exercise and play and comes with a shelf, ramp, port door connector and a bubble plug. To create even more fun for your furry friend, the enclosure can be quickly and easily connected to other tubes, tunnels or habitats that provide additional room to run around and burn energy. The Kaytee CritterTrail Super Habitat features a top access door allows for the use of two hands when reaching into the cage, ensuring for a safer pick up of your pet. The 1/4 inch bar spacing and strong, quick release clips on the removable top guarantee that none of your curious critters can't escape or get their limbs caught and twisted up. For pet owners, the habitat is designed with rounded corners and a plastic bottom to make cleaning and maintenance a breeze.