Shelf life is the duration of time for which a product, especially a food item, can be stored safely and remain fit for consumption. It refers to the length of time that an item can remain fresh and its quality remains unaffected whilst in storage or on display for sale. The shelf life of a product is typically determined by factors such as its ingredients, preservation methods, packaging, and storage conditions. It is important to be aware of shelf life so that the product can be used or consumed before it becomes unsafe or unfit for consumption. Lastly, knowing the shelf life of a product allows businesses to anticipate when products must be sold in order to avoid wastage or being left with unsellable goods.