These papers are used to protect and package products. They are mainly formed into boxes or bags, but comprise a wide of array of both light and heavy packaging. They can be produced with recycled fiber, and mechanical resistance is one of their basic characteristics.
These papers are used as packaging for broad array of products ranging from medicines to foodstuffs including drinks and frozen foods. They can also be used for other purposes, like lining walls or envelopes.
Impermeability and other characteristics required for direct contact with food and other products are defined by how the paper is manufactured and how it is combined with other materials like plastics and metals.