Product Size: 22 WIDESCREEN (16 9) Size: 23 WIDESCREEN (16 9) Size: 24 WIDESCREEN (16 9) Package content: 1 * privacy filter 1. PREMIUM VISIBLE FILM - Protect your computer screen information. While people in front of your screen have a perfectly clear view, the view is blocked outside of a viewing angle of 60 . 2. BRIGHTER - Our privacy filters are brighter and clearer than other solutions and are therefore ideal for todays high-resolution laptops and monitors. 3. 2 MOUNTING OPTIONS - The privacy filters can either be permanently attached with transparent adhesive strips or with a bracket to remove the screen if necessary. 4. COMPATIBLE WITH COMPUTER SCREENS - Aspect ratio: 16: 9, diagonal: 22 inch / 487 * 274mm (width * height); Diagonal: 23 /509.17*286.41mm (width * height); Diagonal: 24 inches /531.3*299mm (width * height). Note: Please select the appropriate size, other sizes do not apply. 5. SCREEN PROTECTION - The privacy filter not only protects your computer from prying eyes on the screen - the privacy screen also acts as a screen protector and protects your screen from scratches and fingerprints.