Do you need a stamp that can alert your customers or clients about the postage due on their mail? If so, you might want to consider getting the Postage Due Xstamper Stamp, a high-quality and durable stamp that can make your job easier and faster. The stamp is made from laser-engraved rubber that produces clear and crisp impressions. It can last for thousands of impressions without re-inking. It has a simple and bold font that reads "POSTAGE DUE" along with a blank space where you can write the amount due.