Packaging supplies come in all different shapes and sizes. Each material has its own unique purpose that it serves to give your business and your products some kind of advantage, whether that’s primarily protection, marketing, or something entirely separate. In order to classify and organize the wide range of packaging supplies available, there are three distinct categories of the types of materials, which are commonly referred to as the three levels of packaging. The structure of these levels is very simple with the three divisions identified as primary packaging, secondary packaging, and tertiary packaging. Below, we’ve broken down what each level represents and what kinds of packaging supplies are classified into each category.