The raised lips around the screen protect the screen of your phone against scratches and other damage while laying it upside down on a flat surface.
The TPU has anti-aging properties that reduce the "yellowing" of the case over time.
Protects your smartphone from bumps, damage and dust
The buttons of your iPhone are covered with this cover, so that they remain scratch free and beautiful. For connections and the camera, recesses have been made in the case so that it does not interfere with the use of your device.