Your dog will flip for a Multipet Boingo Ball. These highly colorful engaging balls are constructed out of a thick rubber outer layer that securely surrounds an inner plastic ball that contains a rattle inside it when shaked, bounced, and rolled! A Multipet Boingo ball is designed to withstand hours of rough and tumble active fun. These fun interactive balls come in two sizes 3.5” or 5”. Available in green/blue, yellow/orange, or purple/raspberry.