YSP Class of 2025. Yard Sign Plaque. Yard Sign Plaque. 1st round orders processed Sept 1st. 2nd round orders processed on Dec 1st. 3rd order March 1st. 4th processed May 1st. Signs are made of 1/4 PVC to with stand temperatures. Digital color print with mounting stake and hardware. Holds up to 4 plaques per sign.