In order to prevent others from noseying in the smartphones, the privacy screen protector is dim. Moreover, since the design follows the rationale of Shutter, it will not exhibit any clear content whenever people glance at the screen from 30 degrees of the both sides. For the best visual effect, it is advised to turn up the brightness of the screen display. Mr Shield Screen Protector Kit Includes: -Two (2) Privacy Screen Protector  -Instructions -Scratching Card  -Cleaning Cloth  -Dust collecter  -Removing tapes Mr Shield screen protector Features: -100% bubble-free silicon adhesives -Privacy and Antifingerprint film ensures reducing fingerpirnts -4H HARD-COATED scratch resistant protection Mr Shield lifetime replacement warranty: We will send you replacements free of charge for: -Installation problem such as bubbles or other user error -Damaged screen protectors -Does not fit your device