Just like the sign that hangs on the outside of your business, 8.5 x 11 magnetic write-on/wipe-off memo boards are effective marketing tools used to communicate your message to prospective and current customers. Sometimes, the trick to getting a customer's business can be as simple as whose information is the most readily available. Write-on/wipe-off memo boards give you exposure 24 hours a day, 7 days a week and are placed in high traffic areas.