The 1991 Fleer Ultra MLB Baseball Wax Box contains 36 packs of standard-sized baseball trading cards. This vintage collection features a variety of players like Frank Thomas, Barry Bonds, and Ken Griffey Jr. The set includes 504 cards in English, manufactured by Fleer in the United States. The box also offers exclusive features such as limited editions, rookie cards, and checklists, making it a valuable addition to any collector's sports memorabilia collection.