2022 Happy New Year Yard Sign - Coroplast New Year’s Eve Decoration, 2022 New Year’s, Happy New Year Yard Sign with Metal H-Stake. Economical and durable, our Coroplast Yard Signs are a staple of outdoor advertising. These outdoor 2022 Happiness New Year’s Eve Yard Sign full color direct printed graphics are vertically fluted for use with an H-Stake. Coroplast is typically used for yard, parking, real estate, and election signs. They are waterproof.