The material is very gripping and slip resistant. This property is (matt part on the pictures) reinforced by small nubs on the back.
Lint in his pockets do not remain hanging on the TPU Silikion.
The recesses for the battery cover lock, Kammera, LED, speaker, headphone jack ... are precisely and allow easy access (the only thing you can complain about would be the maybe to small headphone jack recess, headset and headphones funktioniern properly only my phone cable to the AUX jack of Autoradions does not fit, making the product itself but not bad)
The areas covered control buttons (such as power, volume) speak nevertheless very well received, so that the operability of the smartphone through the shell is not impaired.