These treat sticks are made with the highest quality seeds, fruits, nuts, and vegetables, then a tasty kiwi or orange glazed is added for a tasty, delicious treat. Parakeet and Cockatiel sticks feature a plastic cage hanger baked into it, and the Parrot sticks have a wire hanger than can attach to the cage. Parakeet sticks measure 3/4" x 6", Cockatiel and Parrot sticks measure 1 1/4" x 8".