Our team at BirdHZone sell Eco-friendly bird homes and all of your accessories. The birdhouses are 3-D printed with PLA filament which is made out of recycled material. Because the materials are recycled and we don't use a factory less carbon dioxide gets released into the air. All these reasons show how we care for the economy and the environment so birds can live a happy and healthy life. The birdhouses are designed for various types and sizes of birds, so your bird will be at home.