A. This privacy screen filter is double-sided. The matte side has an anti-glare function and high light transmittance, which can restore the original colors of the screen. Moreover, when viewing the screen from a certain angle (30°), the screen may darken. It can also block ultraviolet rays, protect your eyes and relieve eye fatigue to some extent. B. Features: - Double-sided design: You can choose between the matte side and the glossy side. The matte side has an anti-glare function. - High light transmittance: This design can restore the original colors displayed on the screen. - The screen may darken from others' perspectives: It has high light transmittance from the front view and can restore the original colors displayed on the screen. However, when viewed from a 30° angle, the screen might darken or even become less visible. A privacy screen filter can create more private space for you. Whether you are in the office, in public places, or on the way to a vacation destination, you don't have to worry about being peeped at by others, allowing you to work, study, or entertain with peace of mind. - Protect your eyes: It can block ultraviolet rays, protect your eyes and relieve eye fatigue. - Easy to install: There are two installation methods for you to choose from. You can either hang it up or paste it on the screen. C. Specifications: - Material: PET - Product size: 598 * 337 mm / 23.54 * 13.27 inches - Packaging size: 618 * 386 * 3 mm / 24.33 * 15.2 * 0.12 inches - Packaging weight: 305 g / 10.76 ounces D. Packing list: - 1 privacy screen filter - 1 installation kit (double-sided tape, sliding stickers, cleaning cloth) E. Regarding shipping: All products will be shipped within 3 working days after receiving the payment. In most cases, you will receive the products within 8 - 12 days. The specific delivery time will depend on the actual situation. F. If you have any questions, please feel free to contact us: During the shopping process, if you have any questions, please feel free to consult us. We will reply to you within 24 hours. Have a pleasant shopping! Thank you for your cooperation. We will strive to make you satisfied.