The BLUEO Crystal screen protector is enhanced with Silicon Nitride Technology, which significantly improves its performance compared to ordinary tempered glass.It boasts an impressive 300% increase in hardness and a 100% improvement in drop resistance.Unlike ordinary tempered glass, which is more prone to scratches due to its lower hardness, the BLUEO Crystal has a hardness rating of 7, making it highly effective at handling everyday wear and tear.Additionally, with an edge strength of 35kg, it reduces the risk of edge breaking, ensuring greater durability.Its higher strength allows it to withstand accidental drops, further enhancing its drop resistance and overall durability.