Molding Door or Window Panels frequently referred to as casing or trim. It's also refers to the decorative strips of material used to frame the perimeter of openings. It serves as important bridge between the structural frame of the door or window and the surrounding drywall, protecting vulnerable edges while enhancing the architectural styles of a space. It hides imperfections or gap between the drywall and the door or window frame, providing a clean and finished appearance. It can help stabilize the window or door unit within the rough opening. Very easy to install and lightweight. It's imported!