Here are a couple of images of disassembled traumatic (стоп-патрон = Stoping cartridge) Polish cartridge MESKO in caliber 38 Special.
Here we go!
Prior to disassembling:
Plastic “bullet”, bag with pellets and the case:
Plastic “bullet”, torn bag, scattered pellets and the case:
Case, propellant and the wad between powder and bag:
And all bunch together:
These are the bag, plastic “bullet” and the base of the case: