Hanging bird toys made of all-natural sisal and Yucca Satisfies your bird's natural preening instincts safely The ultimate shreddable bird toys. All-natural toys made of various sized Yucca pieces strung on sisal rope to satisfy your bird's natural urge to chew and preen, relieving boredom, stress, and feather plucking. Birds in the wild possess a natural instinct to hollow out their own nests. The 100% Yucca Ole toys allow your bird to chew and hollow out the large Yucca log to create a relaxing retreat. Hanging loop included.