In the field of sales promotion, a bonus is a tangible or financial benefit associated with the purchase of a product included in a promotional offer. This reward can take various forms, such as a free gift, an extra quantity, a price reduction, or a partial or full refund, whether immediate or deferred. Regulations govern the use of bonuses within promotional strategies. In the case of a physical bonus (such as a traditional Bonux gift), its value is generally limited in proportion to the value of the product purchased. The main categories of promotional bonuses are: direct bonuses, deferred bonuses, etc.