This is a high-performance product with a list price of around 12,000 yen! I bought it, but it was the wrong size... and I've been sadly storing it. The seal has been opened, but it's unused. 3M 3M Black Privacy Filter Anti-peeping Security Personal Information Protection UV Cut For Notebook PCs PF15.6W S ・Anti-peeping The built-in special micro-louvers prevent "peeping" from the sides. The PC user facing the monitor can clearly see the image. ・Moiré (interference fringe) countermeasures Optimizing the internal structure prevents the occurrence of "moiré (interference fringes)" and improves the screen quality, allowing for clear viewing of text and images. ・UV protection ・Screen protection (scratch and dirt prevention) The use of high-surface-hardness materials makes it resistant to scratches and protects the screen. It also protects the screen from annoying sebum stains and dust. Applicable monitor size: 15.6-inch wide (16:9) Size (height x width): 194 x 345mm, thickness: 0.5mm Quantity: 1 sheet Viewing angle: 60° (incident angle range with maximum transmittance of ~5%) Transmittance: 65% (JIS K 7361) Reflectance: 3.5% Instruction manual, mounting tape, and mount tabs are included. Shipping may be by regular mail.