Yard Signs are an effective low cost way to get your message out. Constructed from corrugated plastic and outdoor durable inks for great looking, long lasting signs. National Sign Source offers both Digitally Printed(Full Color) and Screen Printed yard signs. In a nutshell, screen printed yard signs are less expensive but have a minimum order quantity of 100 signs. Screen printed yard signs are also limited to either 1,2 or 3 color designs and no photos. On the other hand, Full Color Yard Signs have no minimum order quantities, no color limits, and can include photos and gradients in your designs.