The Skybox Marvel Metal Universe Spider-Man Factory Sealed Hobby Box by Upper Deck 2021 contains 72 cards featuring characters from the Spider-Man Universe. This box includes a variety of card types such as base paper, aluminum, and plastic, with some cards being variation variants or parallel inserts. The set is part of the Skybox franchise and is targeted towards fans of the Spider-Man TV show and movies. The box is factory sealed and offers a chance for collectors to find rare and unique cards to add to their collection.