The case is really sturdy and strong for the OnePlus 9 pro, however, it makes your phone look a bit bulky. Otherwise it's really a good product..
I really liked the case and it's very durable and the buttons are really tactic. Only thing I faced a bit of an issue is when I click on the power button sometimes it presses two times and activates the gesture to open the camera. I disabled it though. But quality of the case is great.