Size: 11cm x 11cm x 14cm This is a completed, cute birdhouse with a triangular roof. It has an acrylic observation window. You can check the inside without opening it. The side has a door with a lock, making it easy to clean inside. Various installation methods are possible, such as fixing the back with screws or hanging it. Product Description Made of natural wood, it is environmentally friendly and durable. It is a type of birdhouse with acrylic material on one side, allowing you to check the inside without opening it. It can be easily installed in various places such as gardens and parks. How to Use We recommend installing the birdhouse at a height of 1.5m or more, where there is little human traffic.