A proper good cargo pocket map pouch, designed to fit A4 size maps and papers, smaller notebooks, pens, pencils, etc., small trinkets you may want to carry with you in the field. The model is based on an older Finnish army special forces issue map pouch with a load of little improvements and overall much-simplified construction.
These are made by Finnish CPE. There are various manufacturing locations, all inside the EU (e.g. Poland and Czech Republic).
Nino W.