Snack packaging refers to the materials and methods used to contain and protect snack foods. It is designed to keep snacks fresh, maintain their flavor, and prevent contamination. Common materials include plastic, paper, and foil, which can be printed with colorful designs to attract consumers. Effective snack packaging also plays a role in convenience and portability, allowing consumers to easily carry snacks on-the-go. Additionally, it often includes features like resealable closures to help maintain freshness after opening. Overall, snack packaging is essential for both product preservation and marketing in the food industry.