DZI Handmade Designs DZI484025 Aspen Felt Birdhouse 1.25" Opening. For use by Chickadees, Wrens, Titmouse, Nuthatch and Downy Woodpeckers. The hole can be enlarged to 1.5" to accommodate Tree Swallows and Bluebirds. Made with sustainable sourced materials. The birdhouse was created from naturally water resistant sheep's wool with braided hemp hanging cord and a bamboo perch. Lightly packed with shredded recycled paper to maintain shape. Remove when ready to use. Made in Nepal by skilled artisans working in a fair trade production center. dZi is a founding member of Fair Trade Federation (FTF). Birdhouse measures 8" high x 6" wide.