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In order to arrive at the best possible solution when it comes to shipping cases, custom cases and other durable packaging product design, understanding the basics about the types of constructions that are used can help a lot.

To help differentiate between the different constructions that are available for carrying cases and other containers today, please take a look at the following brief overview of the most common types of case constructions.

Root-Molded
Rotational plastic molding is a popularly used process in the package design & development industry. A heated mold melts down high-density plastic - often polyethylene - forming a puddle. The mold is then slowly rotated over a period of time; meanwhile, the melted plastic sticks to the walls of the mold.

Blow-Molded
Blow molding is another very popular method for creating custom molds and many types of business to business packaging solutions. With this process, plastic is melted down and formed into a perform or parson, which is a tube-like form with a hole on one end. Pressurized gas - usually air - then expands the melted plastic, pressing it to the mold cavity until it cools and hardens. The results are lightweight carrying cases and other similar products.

Vacuum Formed
Many of today's top containers are manufactured with vacuum forming. In this case, a sheet of plastic is heated up to the appropriate forming temperature. Then, it stretched out onto - or into a mold, where it is held in place with a vacuum. The vacuum is created between the surface of the mold and the sheet of plastic, allowing for greater control and precision during the process of production tooling.