POP cannot be amplified indefinitely. At this point, it is a problem to express exactly what you want to promote. The more detailed the message to the customer, the better, but if a lot of content is written in small words on POP, if the customer can't see clearly, it doesn't look at all. For this reason, you should try to summarize the characteristics of the product into items, and at most three. POP is a means to attract customers to pay attention to the goods, summarize the characteristics of the products into items, facilitate the reading of customers, and facilitate the customers to understand the goods.
The pen that writes POP USES, should control in 3 kinds of color. If the color of the font is too much, it will dazzle the customers, not easy to see.