60 X 90CM This is a regular size, and it should be designed according to the proportion of your wall. The best way is to distribute according to the golden ratio, that is, the width is one third more than the length, so the products will be very standardized, especially the corporate culture slogans, and it is best to combine beautiful pictures. There are many pictures on the Internet. As long as you enter the corporate culture, you will have many styles, which can be used as a reference.