The product is a complete factory-sealed 1990 Upper Deck baseball trading card set, including all cards from the regular series as well as the new high-numbered series. Manufactured by Upper Deck in the United States, this set is a sought-after collector's item for baseball fans and card enthusiasts alike. With cards featuring top players from the 1990 season, this set offers a comprehensive look at the sport during that era and is sure to be a valuable addition to any sports memorabilia collection.