This Privacy Screen Filter is reversible with matte-finish surface being anti-glare and high-transmittance restoring the colors. Besides, the screen gets darker when looking from an angle (≥30°). And it also blocks UV to protect your eyes and relieve eye fatigue to some extent. Feature:   Reversible Design Free to choose matte-finish surface or glossy surface with matte-finish one being anti-glare. High Transmittance With this design, it restores the colors that the screen displays, as far as possible. Dark Screen for Others The exact front side is high-transmittance, restoring the colors that the screen displays. And when looking from an angle (≥30°),it may be dark or even invisible.   One Privacy Screen Filter Makes More Personal Space No matter you are in office, public place, or are on the road to holiday destination, you are free from the peep from others, making you work, study or play at ease.  Eye Protection It blocks UV to protect your eyes and relieve eye fatigue. Easy to Install There are 2 ways to install, choosing the one you prefer --- you can either hang it up or paste it onto the screen. Specification: Material: PET Item size: 310* 175* 0.39mm/ 12.2* 6.89* 0.02in Package size: 410* 260* 2mm/ 16.14* 10.24* 0.08in Package weight: 134g/ 4.73oz Packing list: 1 * Privacy Screen Filter 1 * Installation packet (Double-sided tapes, Slide adhesive tabs, Cleaning cloth)