This is a chewing parrots' dream come true, acrylic center is filled with sisal, vegetable tanned leather strips and colorful hard wood pieces.  Hung from welded smooth chain and a quick link, this is a great toy for those over preening or feather picking birds in your house and you can reuse the acrylic center time and time again!  Recycle those acrylic centers to make new creations of your own!