Featherland Paradise made these perches from Multi-branch Manzanita, a dense hardwood that withstands chewing. The variations on the branches exercise your bird's feet in a natural fashion. A great way to keep your pet bird active, comfortable, and engaged within their cage. The perch is easy to install in any cage and the hard surface of the Manzanita is easy to clean. They're available in 3 sizes, so they will work for most birds. You will want to purchase more than one of these perches. Multiple perches create a tree-like feel in your cage so they present your bird with a more natural environment. Note the tags will indicate the size of bird made for NOT the size of the branch (we have three sizes of branch but only two bird sizes - small or large)