What is the shelf life of an item placed in a peel package or wrapped in nonwoven wrapper

Indefinite, Unless the item is compromised in some way.

Explanation:

The Maximum time for which a food item can be stored before it becomes unfit for sale and consumption. In simple terms it  is means the time after which the item should not be on a supermarket or pantry shelf.  Shelf life is also applicable to medical devices, cosmetics, foods tires, chemicals, explosives and perishable items. On most of the packed products an advisory best before is printed on the package.

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