Automatic adsorption, very easily using the supplied accessories to install. Without fingerprints, without leaving any bubbles. 2 : Our patented glass evenly disperses over your entire mobile's screen EXCEPT CORNERS , including existing scratches and scuffs, making it adhesive strongly and comprehensively. 3 : 【Anti-Scratch】With strong 9H hardness level, the whole glass screen covers screen protects your phone from drops, bumps, scratches and daily wear and tear. 4 : SUPER DURABLE - Made of 9H hardness tempered glass, protect your screen from scratches, scrapes and impact from minor drop. Coated with hydrophobic and oleophobic layer, it reduces sweat residue and fingerprints, keeping your screen pristine all day long. 5 : EASY TO INSTALL - Bubble Free Adhesive makes it easy to install.