Soft Screen Protector: 4H hardness protects your screen from daily scratches, scrapes, and normal signs of wear. Eyes Protection: Laptop privacy screens privacy angle is 30 degrees ±5. Screen content is only visible in front of the display, appear dark or black from side view, protects your eyes and prevents reflection from strong light, reduces stress on your eyes from daily glare ,blue light and helps protect your screen from damage and dust. Suitable for all occasions and people:This Laptop privacy screens is suitable for a variety of public places, business meetings, open-style offices, financial institutions, cafes, airplanes, trains etc., protects your sensitive information, your passwords, personal content etc., which might be leaked. Perfect for Travel and Outside Workspaces : The 13.3 inch Screen Privacy is the ideal solution for mobile workers, commuters, students, and business travelers. you can stay private information while working in airplanes, subways, airports, and public areas. Privacy Screen Filter Dimensions: 13.3 inch - Aspect Ratio 16:9 . Privacy Filter suit for Lenovo, HP, Dell, Acer, Asus, Samsung, and other laptop brands. Please verify your screen's width and height measurements before ordering.