Feature:1. Filter Blue Light: 22 Inch computer screen protector can protect your eyes by blocking 30% of blue light, blocking harmful blue light between 380495nm.2. Multi Purpose: Anti blue light filter can protect intimacy, anti dazzling, anti reflection, UV and blue light reduction, also protect the display from scratches.3. Intimacy Protection: Computer eye protection filter film effectively protects intimacy in side view beyond the 60 degree viewing angle, with strong practicality.4. Double Sided Use: Anti blue light screen protector can be used on both sides, frosted surfaces anti dazzlingcoating design, glossy screen is clearer.5. Wide Application: 22 Inch computer screen filter is ideal for open workspaces such as airports, planes, trains, coffee shops and other public places.Specification:Item Type: 22 Inch Computer Screen FilterProduct Material: PETProduct Size: 22 InchesAspect Ratio: 16:10 (Approx.475 x 297mm / 18.7 x 11.6in).Package List:1 x 22 Inch Computer Screen Filter1 x Dust Free Cloth3 x Plastic Tower Buckle (1 Long and 2 Short)1 x Double Sided Tape1 x User Manual