Ghostbuster Supreme BackpackIf there's something strange in the neighborhood Who you gonna call? GhostBusters! This officially licensed Ghostbuster Supreme Backpack Costume Accessory features a black foam filled latex proton backpack with cable ribbon details and a long corrugated hose that ends with a hard plastic Neutrona Wand! The wand attaches with Velcro to the backpack when not in use and is made to hold a can of Silly String to shoot so you can imitate catching a ghost