Protects your confidential data from prying eyes Blanks out the screen from side views. Anyone not directly in front of the monitor sees only a dark, blank screen. Privacy filter won't blur or distort on-screen images. Great for business travelers working with company data. Attaches and detaches easily. Filter also remains in place when laptop is closed. 3M (TM) Laptop/LCD Privacy Filter, 12.1in. Widescreen, Black is one of many Laptop Privacy Filters available through Office Depot. Made by 3M.