The Secret 2-Way protective film not only prevents unwanted viewing of your display, but also protects against scratches. Additional product features include high mechanical resilience and ease of removal. The 2-way technology protects the display from being viewed by prying eyes from two sides: left/right (in landscape). A handy and effective way to ensure that no one but you can see your data. Ideal for use in a hotel or on the bus, train or plane.