Bluebirds enter through side entry holes where they feed safely away from predators. Features include a hinged roof that lifts for fast refills and side panels that remove for easy cleaning. It's crafted with a plastic "wood", which makes it impervious to cracking, warping or chipping and is great for the environment. Handcrafted by Duncraft with wooden sides, acrylic front panels and a flip-top roof made with beautiful, recycled plastic. The base is also non-porous, recycled plastic which makes for easy cleaning. Serve mealworms, nuggets, or even fruit. The dimensions are 10 x 7 x 9-1/2 inches tall.