Of all the issues facing those who aim to create promotional materials for their business, one of the most critical is creating items that will stay with the desired consumer. This is true in both the metaphorical sense of crafting important memories, but also the very literal sense, in that the items given out to commemorate some aspect of a business should not be able to get lost. Hence the gravitation within marketing towards unique things that customers can make use of over and over again. What makes custom key chains so useful is that they perform this function for a type of item that is already commonly misplaced. The loss of one's keys is a commonly understood narrative, and it should take very little arm-twisting to make an attachment that could aid in the process of key location seem desirable.
We tend to imbue our key rings with so much importance that the average person could be forgiven for having conniption fits upon not being able to find them. The best personalized key tags stand out both in the way they display their promotional message and do so in a way that they allow for easy discovery and retrieval. A more distinct type of attachment is less likely to be mistaken for something else when the keys drop inevitably between the couch cushions or onto the ground somewhere public.
Do something functional for the audience you're trying to reach, and people will remember you fondly. Producers looking for an inexpensive item to tie to their specific goods or services can gain much from the use of promotional key chains, especially when appealing to professionals or those with lots of responsibilities and the need for better organization. In such cases, the key tag, and everything it represents, stands to successfully become a part of the customer's everyday routine.