Trim at home for the perfect fit inside or outside your window frame, then install in seconds without a drill, screws, or brackets- no tools needed, Block 99% of light for complete privacy, light control and UV protection for bedrooms, children's rooms and movie rooms, No Cords for a clean look and child safety - use included clips to raise and lower shade, Made in the USA of durable paper that will not yellow and crack from sun exposure, Works as a stand-alone solution, or easily layer behind existing window treatments