LENOVO 12.5 W Laptop Privacy Filter from 3M Basic Product Type_ Privacy Screen Filter Device Supported_ Notebook Brand Name_ Lenovo Width_ 276.9 mm Display Type Supported_ LCD Display Size Supported_ 31.8 cm (12.5") Widescreen_ Yes Physical Characteristics Weight (Approximate): 28.3 g Width_ 276.9 mm Depth_ 157.5 mm