When we realize the need to be more competitive in a dynamic market, understanding the value of what we produce is essential so that we can optimize every cost and make our product even more valuable and important to our customers. In this way, Value Stream Mapping applied to the Plastic Packaging industry demonstrates the results obtained through the study of a product family. Bearing in mind that VSM presented very satisfactory results, it is worth remembering that this tool can be applied to any business segment as long as everyone involved is engaged. The author continues to improve his studies on the subject.