Its function is to be utilized with a zip bag carrying 5-10 cigars.The pillow is put into water where it soaks for a time.
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.
It is also possible to utilize a turned on freezer which has a lot of space and is free of other food (make sure to set the humidity to the highest level available).
Here you can arrange your items where you want and how you like them to be.
You can settle a piece of oasis foam into a chamfer which is present at any cooler.