The first negative is that it easily comes off. Due to the curvature of the screen, the tempered glass also needs to be curved, so if it doesn't fit perfectly, it comes off without effort (I don't know if the adhesive will withstand over time).
The second negative is that at the point where it starts to curve, there is a very noticeable vertical line on both sides, which is obviously not desirable for everyday use. However, when you put something in full screen, it will drive you crazy. It loses all the immersion of the curved design.

On the positive side, it seems durable. What the packaging says is true, not what the stores claim as the product title, meaning it is 9H and not 10D (When a manufacturer claims that their screen is 9h, it means the screen can resist scratches from the hardest pencil, and it seems to be true).

The screen protector trapped air bubbles during installation and I tried to reposition it. When removing it, the glass shattered. It is not durable at all.