Magnetic Privacy Screen Filter - Laptop privacy screen filter attaches via a slim magnetic strip for easy installation and removal, plus you can close your laptop to enter sleep mode without removing Unobstructed Viewing to the User - Ideal for laptops with slim bezels or edge-to-edge displays, the privacy screen will fit the width of the device allowing for a clear view to the user once installed Limited Viewing - Narrows field of vision to +/- 30 degrees, stopping unauthorised viewing over your shoulder, you will only be able to view what's on the screen once you are directly in front of it Blue Light Filter and Anti Glare - Filters out harmful blue light rays by up to 22 Percent, reducing eye strain and the chance of interrupted sleep patterns, whilst the low reflective coating provides anti-glare Reversible Screen Protector - Matte side maximises anti-glare and reduce traces of fingerprints, glossy side provides a clearer view of the screen - both ways protect your laptop screen from scratches