The Martin Fields Overlay Plus Screen Protector for Google Nexus 7 2013 provides the best in protection for your device.It reduces the strain on your eyes by blocking 99% of ultraviolet rays radiated from LCD screens as well as protecting the screen from degradation as a result of strong sunlight and other natural lights.In addition to this, the Screen Protector for your Google Nexus 7 2013 as a high scratch resistance, is incredibly easy to apply and is removable, washable and reusable.