First, the napkin such as colored paper rolls is not just an advertisement, but the carrier itself has the function of using it, that's what distinguishes us from any other ad, it is also the basis for enterprise advertising information to be recognized by the public; 

Second, napkins can publish information in people's leisure time, such as dining, entertainment, etc. The strong visual impact is easier to understand, absorb, and remember； 

Third, people are exposed to thousands of advertisements every day, most of which are embedded forced, but it is difficult to be accepted by the public, forming effective memory. And when you use napkins, you have a desire to actively focus on reading. Advertising information has a strong anti-interference, and there is no technical barrier; 

Fourth, consumers are easy and willing to carry and read.