Description At SOLUTIONPRINTNJ , lawn signs. One is a standard 18″ x 24″ rectangular yard sign. Printed in full color double sided on durable coroplast; a corrugated plastic sheet that is lightweight and extremely durable. These durable custom lawn signs allow business, realtors, politicians and others to easily intrigue pedestrians and drivers. They are extremely versatile; you can even use them as political yard signs with stakes, real estate yard signs, party, to promote a product, and even as a birth announcement. The options are endless.