Feature: 1. Safe Material: Made of natural apple wood and cuttlefish bone, it is safe and non toxic. Cuttlefish bone can also help birds to replenish calcium. 2. Multifunctional Use: As a swing to provide a place for pets to play swing, play at the same time, can also bite cuttlefish bone supplement calcium, is very helpful to the health of birds. 3. More Interseting: Keep your pet busy playing, reduce your pet's feelings of destructiveness and anxiety, and allow your pet to have more fun. 4. Keep Healthy: Nibble on swing toys to prevent birds from nibbling on the cage, filling calcium to keep healthy while sharpening the beak to prevent birds from eating too long. 5. Easy Installation: Comes with fixed chain, can be directly suspended in the cage or other places can be suspended, easy to install and use. Specification: Item Type: Bird Swing Toy Material: Apple Wood, Cuttlefish Bone Use: Bird Cuttlefish Bone Bite Swing. Package List: 1 x Bird Swing Toy Note: Please allow 0‑2cm/0‑0.8in error in manual measurement.