HomePro Garden Hanging Wren House: Unique and Colorful Bird Houses Handmade from Eco Friendly Recycled Plastic Materials (Blue/Green) The Perfect Size for Wrens and Chickadees with a 1-1/8 inch entrance hole Water resistant recycled plastic and a removable base make them super easy to clean Handmade by Amish craftsman of Pennsylvania Ready to hang with an 8 inch chain attached securely with stainless steel hardware Wrapped in a gift box with tissue paper, it's the perfect gift for garden and bird lovers alike