Super Bird Creations 8-1/2 by 6-1/2-Inch Spin-a-roo Bird Toy, Medium Perfect size for Caiques, Conures, Quakers and Ringnecks Destructible toys satisfy a bird's instinctual need to chew 0-1/2-inch perch diameter Bolts to side of cage Super Bird Creations toy designs use a diverse selection of stimulating bird-safe materials to ensure the mental and physical well being of pet birds