1. Not at all good grip, compared to plain silicone.
2. At the point of the spen at the bottom is exposed.

Once again, this particular case is the most convenient and secure (in hand) for the mobile phone. I am always satisfied with the Nillkin Nature for every flagship Samsung model I get. It has internal "safety" at the corners of the phone (as they call it, air cushion), it has patterns on the sides to hold it well in hand and prevent slipping, and it protrudes correctly around the cameras to protect them. It feels very good in hand, rounded but also squared where needed! Now the back is made of plastic, which is even more protective. The buttons are pressed very easily and nicely.

If there is one "negative" thing I would say, it is that I would prefer to have silicone between the cameras, not just around them.