A swinging rope ladder leads to a rustic log cabin atop a tall trunk; an adventurous birdhouse indeed. Enjoy hours of entertainment as your feathered friends frolic in their new playground! Hole: 1 3/8" diameter. Wood. 7 3/4" x 7" x 16 3/4" high. New in box. Insurance is included. Please visit my store for other great home and garden decor items. Combined shipping discounts are given with multiple items purchased.