This decorative bird feeder perfect addition to the window for bird lovers. All you have to do is use the suckers and attach them to the window and view away. Of course, add some bird food. The plain perspex provides a great unobstructed view, ideal if you would like to get a good close-up view, or even photographs, without disturbing them. Attach it to the window and you can feed birds while getting a view you wouldn't get under normal circumstances.