Window screen is a specialised made mesh attached to aluminum frame designed to keep leaves, bugs and birds from entering a building (house or a room), whilst it allows shading and proper ventilation of the place. It consists of a mesh made of fiberglass, a very flexible material that is being applied and used in all modern constructions. One can choose among all available models depending on the desired function and usability that a room needs; alongside with the way the product is going to be used.