"Made of natural wood material,firm and environmental protection.The perch surface polished smooth, will not hurt the bird feet Easy to clean and durable in use. Use corner space to place,do not occupy space in the cage.Each bird perch is fully outfitted with a metal wing nut and a built-in bolt. No extra equipment is required for installation and the perches deliver a secure hold. Fun to play, climb and rest,relieves boredom and increases activity level,Perch toy provides your pet with a nice and cozy place for playing and exercise Suitable for budgies, parakeets, cockatiels and other similar sized birds to stand or have a rest in the cage,Can provide platform for you to feed the pet bird conveniently."