I upgraded my bushcraft first aid kit with a different pouch system. The Maxpedition Gear Individual First Aid Pouch, that could hold slightly more than the system I was using, but more importantly the zips were stronger.

Maxpedition Gear IFAP front pouch contains trauma shears, first aid book and casualty cards
rear molle
both internal compartments
sealed conpartment contains meds and PPE
Mesh compartment contains tape, sting goes, assorted bandaging