Rolly Jumbo is a large exercise wheel for dwarf hamsters, gerbils and mice. Rolly Jumbo is made of solid, secure, durable transparent plastic, letting you observe your pet while exercising happily. Rolly Jumbo easily attaches to the cage grid. You can also attach it to the Rolly Stand to install it free-standing on the cage bottom or on the playground.
Diameter: 18cm approx. Rolly Stand is not included.