High quality Japanese 9H premium tempered glass.
3D curved edge; Easy stick; Anti oil.

Tips for Applying Tempered glass:
• You need to find the position very precise then stick.
• If there is bubble, you need to push it out.
• If there is still bubble, it will dissapear after a few days of use or you can peel tempered glass off in one direction to stick again. (Avoid any dust on the screen or the glue on Glass!!!)