Get signs printed that are perfect for rigorous outdoor use, convenient to set up, and have a flexible option of changing the promotion. Print Custom A-Frame Signs » From PrintMagic » , also called Sandwich Boards, are an easy sidewalk advertising solution for any business that wants to get noticed by pedestrians and get walk-in traffic to their cafe, store, boutique, salon, or bar. These signages are convenient to set up due to the durable plastic frame.