whether the last long?

The shell looks valuable and noble. One can by a tab bend the envelope for presenting or writing so high or flat. In portrait mode (see for example the film) but often falls to the shell, is in any case not at all certain.
What bothers me also that you have to take it out of the sleeve to load the trays, practical an opening would be down (but you can if necessary even cut into it).
The tray is fixed with a leather strap with Velcro in the envelope. This flap is very thin, and after ten rausnehmen purely my tongue comes very soft before I do not think that it will last.

So if you do not want to use the tablet with a docking station, and a hole for the charging socket cuts into it (the shell is not often open and close must), then I can recommend it.