This toy is designed for the most athletic Amazons, Cockatoos and Macaws. Your bird will get the exercise he needs, climbing, swinging, and chewing with this long-lasting, high-activity toy. Made with pet safe materials and quick link fastener for easyattachment to cage. Features: Amazons, Macaws and Cockatoo's are challenged by the number ofsisal and cotton knots. Multiple layers of different materials to explore. A combination of textures to stimulate beak and footexercise.