1[Anti Peeping] When you face the screen, the laptop screen protector provides 30 degrees 5 degrees viewing angle, so the screen data is clearly visible to the person in front of the screen, from the side, the screen is dark and unclear. 2[Easy To Install] Magnetic laptop screen protector with simplified magnetic filter design, easy to install and remove, can be peeled off if needed, no bubbles. We offer a clear washable adhesive to hold the laptop screen protector in place. 3[Ultra Thin Design] 12in laptop screen filter designed to be 0.4mm/0.02in thick. Guard your sensitive information, passwords, individual content, etc. Remove the screen protector if you need to shut down your laptop perfectly. 4[Double Sided] Laptop anti peeping film can be used on both sides, one side is matte and anti dazzling. The other side is brighter and presents a clearer picture. Both sides can block 35 percent of blue light to guard your eyes. 5[Precise Fit] Suitable for 12 inch 16: 9 ratio laptops, please check the width and height of your laptop screen before ordering. Suitable for public places, business meetings, open offices, financial institutions, cafes, airplanes, trains, etc.