Halloween Tombstones 2022 Yard Sign Cutouts, RIP Graveyard Tombstones 2022 Outdoor Props, Spooky Headstone Cemetery Yard Decorations With Metal Stakes. Economical and durable, our Coroplast Yard Signs are a staple of outdoor advertising. These Scary Halloween Tombstones, Halloween Tombstones & Cemetery Decorations Yard Sign 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.