-- [Wide Compatibility]- The MacBook privacy screen is designed for MacBook Air 13 Inch 2018, 2019, 2020,2021, . Please check the screen size and model number before purchasing. - [Privacy Protection]- Multi-layered film limits the Visual Angle to +/- 30 degrees, completely preventing others from peeping at your screen,while providing good transparency for users. Blue Light layer blocks the harmful light, matte surface effectively reduces glare for you to read or work easily even outdoors though. -[Reduce Eye Strain] - The macbook pro privacy screen features a layered anti-blue light design and multi-layer filtering of harmful blue light. This technology reduces eye strain, headaches, and other adverse effects associated with prolonged computer use. The protector is perfect for anyone who spends long hours in front of a computer, from students to professionals. - [Easy Installation]- The 13" MacBook privacy screen filter can be reused, updated with the strip at frame. It's never been so easy to install this privacy film just in seconds and it can be fully and tightly attached on the screen. Say goodbye to messy adhesives and air bubbles. There may be a very small gap left when closing the lid, but sleep mode and power off are still supported. - [High Transmittance]- Modeled in accordance with the real screen size 1:1 restoration, perfectly matched with the screen. The Nano glue strip keeps the MacBook Privacy Screen 13-inch tightly attached to the screen. The advanced light-transmitting layer provides the clarity and high-definition quality of your display. - [Suitable for Various Occasions]- The Privacy and Blue light Screen Filter is the ideal solution for healthcare providers, mobile workers, commuters, students, and business travelers. Now you can stay compliant and safeguard sensitive corporate information while working in airplanes, subways, airports, and other public areas. Packaging includes: 1 magnetic anti peeping film, 1 storage bag, and 1 cleaning cloth