Although in the photos such a shell is displayed, you get instead with a large pocket that fits exactly to the full size.
In the backpack does not fit you so.
In Walimex one admitted frankly that this is quite nonsensical, but had no solution.
Return at their own expense is not worth because the yes then accumulating return fee.
So I now have a totally overpriced gray card that also has nothing better than the cheap ones.
I am totally disappointed!