KENSINGTON MagPro Magnetic 13.3" Laptops Privacy Screen

Good to know- Prevent nosy strangers from seeing what's on your laptop - this privacy filter limits the viewing angle to 30°- The screen is fingerprint-proof, so you don't have to worry about any greasy marks or scratches  - With the blue-light filter and anti-glare coating you can work for longer with less eye strain

Price: 74.99 from Currys IE