Casotec 2.5D curved edge tempered glass screen protector is designed to perfectly fit your smartphone. 2.5D edge radian means the edge cutting chamber technique used based on the 0.26MM glass piece, which makes the edges even smoother to touch.The tempered glass is only 0.26MM thick which has excellent light penetration ratio 98%. It has very easy application, leaving no bubbles, and having no glare. Its oleo-phobic coating helps reduce visibility of fingerprints and other contaminants, making it easy to quickly clean the screen. Designed to be extremely tough and durable, it is also capable of withstanding scratches from items such as keys, knives and more. Installation is also a breeze. Align the screen protector on top of the device, push down on the tempered glass and allow the adhesive to work its magic. Coming with a cleaning kit helping you wipe away marks and fingerprints during the easy installation, remember not to fold the tempered glass film when installing. Tempered glass is designed keeping in mind 100% safety of glass and end user. It is safe and easy to remove the broken glass as the pieces stick together under the layers of dual film preventing any damage.