Our Stock Office Stamps product line by Xstamper was solely created as a means to aide communication in the work place, to avoid misunderstanding and to increase efficiency. They do so, impression by impression. Payment is a critical part of the business transaction and if there is a uncertainty there, an business relationship can be weakened. Our Xstamper PAID with Line Stamp will remind your employees that the order was or was not paid for. The chance of making an easy mistake is diminshed by this, easy to use, tool.