These types of posters are basically used when the requirement is to print and place large format pictures and graphics. Companies go for large format posters so that they can place them on the busy intersections where a lot of people are exposed to the advertisement and there is no extra cost in making it available to the next person as it is the case with the direct marketing tools. Any type of large format pictures and texts can be accommodated here and it gives you the same best quality, some time it happens that large format posters are not up to the mark when it comes to the quality but by going for digital printing method you can ensure best print quality. You must get them printed with water insoluble inks which do not solve in water in case of rain and these are fade resistant as well so that the poster can stay longer, these inks and material must also be resistant to UV (ultra violet) rays of the sun which can damage the poster. The design and text must be engaging and eye catching so that it can draw the attention of large number of people.