Plastic containers are favour for storing for food because of the following reasons:-
1) It is a non-reactive substance that do not react with the ingredients of the food items.
2) Plastic containers are light in weight, are less expensive, provide good strength and is easy for handling.
3) Plastic packaging allows food to travel long distances and ensures that large amounts of food do not get wasted. Different plastic have different functional properties such as being safe for food, flexible and chemical & heat resistant.