Ideal nest lining for all birds. UltraCare Nesting Material made of all natural cotton fiber, is ideal for nest lining and building. Can be used for all caged birds. Satisfies natural nesting instinct. The self contained dispenser hangs from the side of your bird's cage for convenience and ease for your bird to line its nest with the proper amount of material for successful breeding. Directions: Attach a nesting box near a cage opening. Place a nesting form in the box. Then, fasten a carton of UltraCare Nesting Material near the box, inside the cage with the clip between the cage wires. Pull a small amount of UltraCare Nesting Material through the opening in front of container. Your bird will get the idea and begin to line its nest.