The Ferplast Wooden Ladder is a great attachment, suited to most small - medium sized birds.Hooks on the top of the ladder allow you to attach the ladder to platforms and cage bars easily. The 9 rungs on the ladder help to provide your bird with a source of exercise, helping to encourage regular exercise. Ladders can be great for giving access to multiple levels in a cage.Measurements: Width: 8cm Length: 37cm