But keep in mind that these devices are temporary, and if you want to enjoy your cigars, you will have to finally achieve a real humidor.
All these methods do not have real capacities of a humidor, so your stogies can be simply damaged by them.
Only note that it is good just for short time storage.
Such item as water pillow is very useful when storing cigars in a small plastic reservoir.
Thus, they will catch different gases produced from your cigars' maturing, like ammonia.