The objective of the poster is to convey a sales message to the customers, and it should be kept as simple as possible. The poster is also should carry only the key message and attractive graphics but avoid to have less details, if the poster is complicated, the reader will most probably skip through. Keep in mind that the posted has to grab the attention of the readers when the readers look at it for the first time. In addition to this, the use of colors can be very helpful in maximizing both the simplicity of images and making the poster attractive.

There are few things that you should know when designing the poster.
1. Consider the size of the title, not too small and not too big, it is preferable to be 2 times bigger than the content fonts.
2. Never to have your title in all capital letters as you will make the poster title difficult to be read.
3. Try to utilize colors in the poster, what color to be used depends on the theme of the poster.

A picture speaks a thousand words, do not expect the readers to read the entire content of the poster, picture is always the best illustrator to help the reader understand what you are trying to convey. If necessary, design a webpage and direct the reader to view the webpage for further information.

A poster can be a very good marketing tool for your business, it could save you a lot of money in marketing if being done well. So, spend some time to design your poster to be as interesting as possible, but not to over do it.