However, quite a poor quality showed after some time of use:
The leather on the outer surfaces is adhered to a plastic disc. This adhesive is apparently under the influence of heat soft again. This has meant that by the heat of your pocket the adhesive and thus solved the leather. Thus the clear plastic is visible at the lower ends of the envelope because the leather has collapsed. Do not rule out is that their own heat generation of the iPhone has helped.
Here the manufacturer could have been better a hitzerestistenten adhesive used ... a pity.
Conclusion:
Whoever exposes his cell non-permanent heat, drives with this bag certainly very good.
Rather not suitable for all Host bag carrier.