Easy Magnetic InstallationThe laptop privacy screen is easy to attach and remove. Simply attach the adhesive magnetic strips to the bezel of your 15? display then align the notebook privacy film with the strips. This black out privacy screen is also reversible. The matte side provides you with glare reduction and the glossy side of the computer security shield will provide you with increased clarity. A protective folder is included to store the confidentiality screen guard in when the laptop is closed. Protect your PrivacyThe laptop privacy filter is a great investment if you want to protect your privacy. It is a convenient and cost-effective way to keep your classified information, intellectual property or any other important data you wish to keep protected. Whether travelling, working in the office or sitting in a busy coffee shop, you can have a peace of mind because you know your screen is protected with the 30+/- degree privacy viewing angle. Blue Light ReductionThe display privacy filter is designed to filter blue light (390nm 480 wavelength) that can cause eye strain and can disrupt sleeping patterns. ReliabilityThe TAA compliant PRIVSCNLT15 is backed by a StarTech 2-year and free lifetime technical support.