Compatibility: Kindly note this blue light filter is ONLY compatible with 14” PC laptops and notebooks screen or touchscreen display 16:9.Blue Light Blocking: The anti blue light laptop screen protector can block 90% blue ray between 380nm to 495nm for wide range HEV protection.Anti-Scratch: With 5H hardness and through special process, the screen protector is with superior performance to prevent scratch.No Residue Left: No residue leaves on your LCD/LED display when you remove it.Easy to Install. Follow the included APPLICATION STEPS/TIPS and you will get the perfect effect. WARM TIPS (VERY IMPORTANT) 1. BEFORE STARTING THE INSTALLATION, DO NOT FOLD OR BEND THE SCREEN PROTECTOR WITH YOUR HANDS. 2. BEFORE STARTING THE INSTALLATION, PLEASE DOUBLE CONFIRM THE SCREEN PROTECTOR IS SUITABLE FOR YOUR SCREEN SIZE. 3. BEFORE STARTING THE INSTALLATION, PLEASE MAKE SURE YOUR LAPTOP IS TURNED OFF. 4. PLEASE FOLLOW THE INCLUDED APPLICATION STEPS/TIPS FOR THE BEST RESULT. (THERE ARE 3 LAYERS, THE SCREEN PROTECTOR YOU WANT IS IN THE MIDDLE!) 5. WE ALL NEED SECOND CHANCES. SO THERE ARE 2PC LAPTOP SCREEN PROTECTORS IN THE PACKAGE. 6. ATTITUDE IS IMPORTANT. DON’T BE HASTY AND TAKE YOUR TIME. 7. PLEASE NOTE THE PRODUCT IS NOT A TOY AND THE PACKAGING INCLUDES ACCESSORIES. PLEASE KEEP IT AWAY FROM CHILDREN AND PETS. PRODUCT COMPATIBILITYFIT FOR 14 INCH LAPTOP COMPUTER SCREEN DISPLAY 16:9 ONLY PRODUCT SIZE Width: 12.2 inches (31cm) Height: 6.9 inches (17.5cm) WHAT’S IN THE PACKAGE 2pc x Anti Blue Light Laptop Screen Protector 2pc x Dust-Absorber(rectangle) 2pc x Guide Sticker 1pc x Micro Suede Fabric Cleaning Cloth 1pc x Squeegee Card 1pc x Wet/Dry Cleaning Cloth 1pc x Application Steps/Tips