COOSKIN 15.6-inch Anti-Glare Screen Protector Guard for Laptop Dispaly 16:9 Professional Custom:This Anti-glare laptop screen protector is used for 16:9 345mm*194mmdisplay Anti-glare:The Matte surface can effectively reduce the glare from fluorescent and sun light to allow easy viewing and reducing the burden on your eyes. Anti-Scratch & Anti-Fingerprints: With 4H hardness and special treatment, the protector is with superior performance to prevent scratch and fingerprints. Electrostatic Adsorption (Non-glue): Self-adhering film attaches itself to the screen. No residue leaves on your LCD display when you remove it. Contents: Quality Films (1-pack)Scraping Card,New Microfiber Cleaning Cloths,Dust Removal Sticker,Guide sticker,Alcohol cloth,HD sample Clean Screen form Dust,Smudges Using the Cleaning Cloth Remove the dust using the dust-absorber paper Pull the tab marked  and separate the protective film off the protector Gently apply the film to the screen starting from the top aligning the edges and work your away down the screen Gently scrape the installation card to squeeze out the bubbles When finished applying pull the tab marked  off Shutdown state to reduce screen dust absorption To ensure that the screen without dust If this is the first time you post screen protector, it will be better for you to buy 2 or more pieces in one time. We suggest you to ask a professional to post the screen protector for you. About how to post screen protector, you can also search &#034;how to install screen protectors&#034; on YouTube.