Do you see a lot of this type of advertising locally? We certainly do here on the south coast.
Some are aimed at pedestrians outside busy shopping areas or schools. Others are directed at slower moving traffic. Usually A2 in size, they are very effective.
Correx (a type of corregated plastic) is light enough to hang with cable ties and soft enough to punch holes in with a pair or scissors or a screw driver. It is strong enough to survive most weather conditions. Get the design right, and we can make them re-usable, in the same way as we do the vinyl banners.
If you do use these boards to highlight a local event, please oh please, do take them down after the event. Not just to re-use them, but to avoid bad feeling in your