1. This privacy screen filter has a double - sided design. The matte side offers an anti - glare function and relatively high light transmittance, which can restore the original colors of the screen. Additionally, when the screen is viewed from a certain angle (30°), it will darken. It can also block ultraviolet rays to some extent, protect your eyes and relieve eye fatigue. 2. 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 as much as possible. - The screen darkens from others' perspectives: It has high light transmittance when viewed from the front and can restore the original colors on the screen. However, when viewed from a 30° angle, the screen may darken or even become less visible. A privacy screen filter can provide 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 too much about being peeped at by others, allowing you to work, study, or entertain more at ease. - 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. 3. 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 4. Packing list: - 1 privacy screen filter - 1 installation kit (double - sided tape, sliding stickers, cleaning cloth) 5. 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. 6. 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'll try our best to make you satisfied.