2 – 4 Weeks Turnaround     18″ x 24″ Signs     Weatherproof Corrugated Plastic Yard Signs measure 18” x 24” and are perfect for business yard signs, real estate signs, political signs, and so much more! They are screen printed on 4mm corrugated plastic with 18” flutes using UV-cured PMS inks for the highest quality product. All of which are weatherproof, fade resistant, and vibrant in color. Produced within 2 – 4 weeks after proof approval. Add an H-Stake wire stand with prongs that fit into the vertical flutes.