This Medium Natural Branch Swing is made with 1" x 1" x 1" colorful pine wood squares and wood balls on stainless steel wire and accented with plastic chain. The branch is bottle brush wood and is the perfect diameter for Greys, Amazons, Goffins Cockatoos or similar size birds. Inside height approx. 9", width is approx. 12" and overall height is approx. 12 1/2".