Halloween 2022 Yard Decorations Cutouts, Pumpkin, Zombie, Tombstone, Skeleton, Mummy Outdoor Props, Halloween Lawn Decorations With Metal Stakes. Economical and durable, our Coroplast Yard Signs are a staple of outdoor advertising. These Halloween Lawn Stakes Decorations Cutouts Outdoor full color direct printed graphics are vertically fluted for use with a Stakes. Coroplast is typically used for yard, parking, real estate, and election signs. They are waterproof.