Biohazard and Zombie Crime Scene Tape comes in two flavors: "Biohazard - Keep Out" and "Caution - Zombies Ahead." Use whichever one is most applicable, or both (if the situation is that extreme). All tape looks just like real crime scene tape - yellow plastic with thick black letters.
Ghouls, goblins and zombies are lurking about now that Halloween is quickly approaching. Get in the spooky spirit by making blood thirsty zombies from Zombigami: Paper Folding for the Living Dead. @Meghan G