The Privacy Filter for ThinkPad Yoga utilises the patented 3M microlouver privacy technology to prevent onlookers from viewing confidential information on your screen, blocking the vision of wandering eyes and providing full 120-degree security. It also guards your screen from scratches and smears. Unlike other generic filters in the marketplace, the Lenovo Privacy Filter is made specifically for Lenovo products with unique cut-outs specific to the ThinkPad Yoga, making it the only product in the marketplace suitable for this tablet. 120-degree privacy (60 degrees from both sides) Maintains high clarity Residue-free removal Easy to apply and remove