Package designers must learn about the materials that are commonly used for packaging[packaging?:DCP-H series packaging sample cutter plotter] so that they don't reinvent the wheel. many package designers today are setting the pace in green' design as they create packages that are made from biodegradable, recyclable, or reusable materials.
These designers also need knowledge about consumer psychology, logistics, and marketing to understand why certain package designs won't work, why certain colors do work, and why some typography is impossible to use while other typefaces have become standards in this field.
Package designers also learn about government regulations, as many products must carry labels that warn handlers or the general public about the product inside the package.