There is a tendency to utilize underground space for the less ornamental purposes of civilization; there is the Metropolitan Railway in London, for instance, there are new electric railways, there are subways, there are underground workrooms and restaurants, and they increase and multiply.
Polystyrene can be naturally transparent, but can be colored with colorants. Uses include protective packaging (such as packing peanuts and CD and DVD cases), containers (such as clamshells), lids, bottles, trays, tumblers, and disposable cutlery.
One of the ways to do that is to package your product in a way that will make it a favorite among consumers. There are three main materials that are often used for lip balm containers: plastic, glass, and metal. Each material has its benefits, as well as its drawbacks.