A BRAND NEW product and catagory made right here at Petcentric. All pine wood chew blocks for Parrots,Cockatoo,s and other large birds. These chain holders will consist of a combination of all natural pine wood blocks, dowels, rawhide chews, natural tree pieces in different shapes and sizes and beautifully colored in non toxic food colorings. Comes in two sizes, Medium-12" tall and Large- 18" tall. A great treat for your feathered friend. If you have a preferred chew ingredient on your chain, please tell us on the comment section of our order form or by phone.