Run-About Balls Mini 5" dia (clear)

Freedom, safety, and fun for your small pet's workout Stay-put twist-lock door opens only when you want it to Large access door, large air vents and rounded foot treads ensure comfort A range of sizes suited for mice, hamsters, rats, or smaller pets Perfect for exercise or temporary containment. Shatter-resistant, easy-clean plastic Run-About Balls available in assorted rainbow colors. Use alone or with the Hamtrac Raceway. Mini (5" dia), Small (7" dia), -->or Regular (7" dia) for mice, hamsters, gerbils; Giant (11-1/2" dia) - includes removable carry handle - for rats or smaller pets. Mega (13" dia) for larger small pets.Please click on "More Information" for directions for use.