Generally, there are two kinds of materials in this case. One is spray-painted cloth, which is clear from a distance and cheap. The picture size can be made into a resolution of 490CMX205CM, and the other is photo, which can be made into a resolution of 72, and the price is twice that of spray-painted cloth. You can have as big a size as you want. If the resolution is too high, it will be slow and too big, and it is also possible.