This corn ball is a natural corn chew toy for rabbits, guinea pigs, chinchillas, and pet rats that easily attaches to any cage to provide a safe and sanitary healthy chewing treat. Helps overcome boredom. Wholesome and natural playtime fun. Available in small 2-1/2-inch size. Measures 2-1/2-inch width by 2-1/2-inch depth by 2-1/2-inch height.