The first reason why more people prefer using the retractable banner stands as opposed to others is that it is easier to protect the images that are printed on the banners. These banners are adequately protected from water, dirt and all other destructive elements. Most of the ordinary banners can only be stored by either folding or rolling the banner. The other advantage of these banners is that they can stand on their own. This puts them ahead of other banner stands.
One of the major advantages of using retractable banner stands is that they are easier to use than most other banners. Since the banner can stand on its own, one does not need to use any materials or tools to display the banner. You do not need to hung or even attach this banner on the wall as is the case with most other banner stands. It is also easy to see and read whatever is on these banners since there are no folded or loose parts.
If you manage to get your banners printed by professional printers such as 55 print online printer then half your worries would be taken care of. The rest would simply be about displaying them prominently to achieve your goals of converting as many passersby into your clients as possible.