
Food packaging does not just preserve and protect food during transit, but also carries information about it, and displays or promotes it. Packaging can be made from a wide range of materials, some of which are more environmentally-friendly than others. There are three layers of food product packaging - primary, secondary and transit packaging.
Food labelling is needed to protect consumer health and consumer choice, and EU [EU: the European Union - a community of European states with its own parliament and laws. The UK is a member. ] law lays down what information must be given on food product labels.
The main purposes of food packaging are:

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To preserve the product

To protect the product from damage, both accidental or malicious damage (where someone damages the product on purpose)

To make the product more attractive to the consumer

To make it easier to transport the product