It's official, you are a Party Scene Investigator when wearing the PSI Party Pass. Give away the PSI Party Pass to your guests as a way to remember your Party Scene Investigation party. Each PSI Party Pass measures 25 inches. It includes a fabric lanyard with a clear plastic card and a card stock insert. The card stock insert is printed on two sides. It has an official Party Scene Investigator symbol, while the back of card has the outline of a human body. One PSI Party Pass per package.