Material: cotton rope metal parts, the thicker the rope, the more durable it is. Comes with a hook that can be hung on the cage for easy installation. The swing interior is durable, safe and environmentally friendly. Bungee Rope Bird Toys: Can be used as climbing ropes on cage bars, ring toys and parrot perches, provide a good exercise for pet birds to climb up and down, help develop the birds' coordination and balance skills. Ideal for all small to medium birds such as parrots, parakeets, cockatiels and more. Cleaning instructions: Do not wash with water, you can lightly brush the surface of the rope with a dry brush. Fun toys for your pet to play or rest. Promotes movement and supports the development of coordination and balance skills. It reduces stress in birds and protects them from hypochondriacs or masticatory disorders. At the same time, it can also sharpen the bird's beak to prevent the beak from being too long to eat normally. Rocking toys can satisfy this parrot's behaviors of playing, cutting, chewing, foraging, etc., and can also develop brain intelligence.