Provide larger pets with the freedom to exercise. Bigger pets can now enjoy the world around them inside these colorful, oversized exercise balls. Every giant run-about ball includes a free carry-about handle that converts the ball into a safe and secure pet carrier. It’s an excellent source of exercise for pet rats and chinchillas, plus its a fun roly-poly toy for ferrets and a neat pet carrier for guinea pigs. Available in four assorted colors, the giant run-about ball also fits perfectly onto super pet"s hamtrac raceway for the safest and most controlled exercise environment.