LIQUID DISPERSION TECHNOLOGY: Our patented liquid glass evenly disperses over your entire screen, including existing scratches and scuffs, and hardens to create an impenetrable edge to edge barrier while repairing former cracks and imperfections. BEST COVERAGE: This Glass protector is 1 in protecting your entire Galaxy S8 screen. Other competitors don't cover the rounded edges, which increases your risk of permanent damage by 15% BUBBLE-FREE INSTALLATION KIT: To prevent errors and air bubbles, our install frame and UV curing light are included with purchase. Quality is reflected through commitment, so make sure you have enough time and patience to get an undeniably perfect result. 9.0H:Provide maximum protection from high impact drops, scratches, scrapes, and bumps Instruction: - Clear device screen - Put liquid on screen - Put tempered glass on screen and slowly press it to clear bubbles - 3 minutes use UV light