LG Stylo 4 Tempered Glass Screen Protector [Full Coverage],Bubble-Free Anti-Scratch Ultra Clear 9H Premium Tempered Glass 0.26mm HD Screen Protector Film for LG stylo 4 Whole Transparency: The protector is 0.26mm thick and made with chemically treated, transparent tempered glass. Light Penetration Ratio 99% (Comparison: Glasses 92%, General protective film 80%) Surface hardness : 9H: The surface of the protector has a hardness of 9H, three times stronger than regular PET film. Even shard objects such as knives and keys will not scratch the protector. Oleophobic Coating: The protector has an oleophobic coating that prevents fingerprints and other contaminants and makes the film easy to clean. Delicate Touch: The protector is coated on the back with a strong silicon adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen's sensitivity. Anti-Shatter Film: If broken, the protector breaks into small pieces that are not sharp, making it safer than other glass products.2.5D Curved Edge Finished 99%.