Yard signs are the most common signs that you see on a daily basis. Political signs, golf outings, garage sale signs, directional signs they are everywhere. These are made from a 4mm coroplast material. This inexpensive material is surprisingly very durable in all weather. They are water proof and weather nicely. The standard sizes are 12"x18, 16"x24, 18"x24 and 2'x3'. We can also do any custom sizes you may need. Standard ground stakes come included with every yard sign order. Other options include: single sided or double sided, one color, multiple color or full color printing.