Privacy Screen Protector keeps your personal, private, and sensitive information hidden from strangers. The screen is only visible to persons directly in front of the screen. BUBBLE FREE Dust-free, fingerprint-free, one-push super easily installation, bubble-free. Surface hardness 9H â Highly durable, and scratch-resistant. PRECISE SIZE Laser-cut tempered glass made with polished, rounded edges. 99.99% HD Clarity and Touchscreen Accuracy.