3M Frameless Black Touch Privacy Filter for 13.3 Laptop 

3M Privacy Filters deliver world-class effective "black out" privacy from side view outside the 60-degree viewing angle, while creating an excellent viewing experience from straight on views. One of our thinnest privacy filters designed for today's thinnest devices. Plus, it provides a matte finish that is smooth to the touch and hides fingerprints, so you can enjoy pristine image clarity.