Considering that we live in the material world where they are trade of information on a daily basis, there is no need to explain specifically why the bar code theme is necessary for describing. In a small neighborhood store, the quantity of different items is about 3,000, while in the average supermarket we are talking about the quantity of more than 10,000 products. Technology is progressing, but barcode is one that can sometimes be very slow with regard to the modernization of today's world. The purpose of this work is to pay attention to bar codes as indispensable parts of each product or packaging and their technical and design function.Theoretical part of this paper explains the basics of multimedia, printing, color, packaging and bar codes. The practical part are examined various factors that affect the bar code. This way it wants to show all the physical aspects of a barcode and how it transposes it into a computerized form, and which all the information of product contain one barcode. Particularly observed are bar codes which, with their appearance, stand out from the standard and contribute to the aesthetics of the product.