The Batman Forever Holo Series Complete Set 36 Cards by Skybox is a vintage non-sport trading card set featuring characters from the Batman franchise such as Batman, Joker, and Riddler. Each card is made of card stock material with a hologram design, adding to its collectability value. Perfect for fans of superhero comics like Batman & Robin and Batman Begins, this original set from the United States is a must-have for any collector looking to complete their Batman memorabilia collection.