Belkin ScreenForce® TemperedCurve Screen Protection for Samsung Galaxy S8

I dropped my phone on wood flooring the morning after applying this protector and although it protected my screen, the protector itself cracked. It can not be great quality if it cracks so easily. Also, the application instructions could be clearer....

This screen protector seemed to be very good quality at first and was so easy to put on and curves with the screen, however after less then a week a hair line crack appeared and I have not dropped this phone once or done anything that could have caused...