Easter 2023 Yard Sign Cutout Personalized - Custom Name Easter Eggs Lawn Decorations, Easter Eggs Party Decorations Easter Yard Signs with Stakes. Economical and durable, our Coroplast Yard Signs are a staple of outdoor advertising. These outdoor Easter Egg Yard Signs full-color direct printed graphics are vertically fluted for use with a D Wire. Coroplast is used for yards, parking, real estate, and election signs. They are waterproof.