Banners are commonly used to provide a quick solution for temporary signage needs. Size is practically unlimited and for very large signs, special material can be used which allows wind to pass through which prevents it from falling down or blowing away. Temporary shop banners are ideal if you’re under new management and not yet sure on the shop front design but still want to continue trading without any disruption. Rigid and semi-rigid porous materials are also available which can be printed on with a design on one side and appear opaque, and yet the print can clearly be seen and deliver the intended message. Such materials can often be seen on the back of buses which provides a surface to apply the advertisement on to while still allowing the driver and passengers to see out of the windows.