Foam board is the perfect choice for a single use signage. It's slightly pliable. However, overbending will cause creasing, or snapping. The larger the pieces of foam board, the more pliable it is; however, larger signs should be handled with care.
Customers are just asked to provide printing companies with the detailed sketch and the deadline. This is how the incredible high-speed printing run is performed. The standard order is generated and placed for shipping in a few days or even hours depending on what the customer is requesting.