SD cards vagabondes

Nicely finished black pouch, good presentation, firm and effective closure. Unfortunately, the cards tend to leave their homes; Yet the material of which is made inside of the case is the same type as that fitted to the handle of the camera, so quite adherent. I think we should review the position of tiny pin on the side of each site, or review of a few hundredths of a millimeter, the width of the boxes.