Happy New Year Yard Sign Cutouts - Happiness New Year’s Eve Yard Décor Happy New Year 2022 Yard Sign Decorations Outdoor with Metal Stakes. Economical and durable, our Coroplast Yard Signs are a staple of outdoor advertising. These New Years' Eve Champagne Balloons Firework Happy New Year Yard Cutouts full color direct printed graphics are vertically fluted for use with Stakes. Coroplast is typically used for yard, parking, real estate, and election signs. They are waterproof.