OvernightPrints.com FAQ: Questions in 'USPS Regulations' category
What are the design requirements for sending a postcard through USPS?We recommend downloading our start files for the postcard size needed. There is a layer that has the guidelines for you.
• have rounded corners on your postcards
• include a box for the stamp in your design
• select full Gloss Coating on the back side of the postcard
• create mail designs containing any pornographic or illegal material because they will not be mailed For design guidelines for the different postcard sizes, please visit USPS Postal Guidelines or download our START FILES to ensure your postcard is to spec for mailing.