The Upper Deck 1997 MLB Home Team Heroes Sealed Box includes 12 baseball trading cards featuring players like Bernie Williams, Derek Jeter, and Ken Griffey Jr. These vintage cards are foil stamped and depict athletes from Major League Baseball teams such as the New York Yankees, Chicago White Sox, and Baltimore Orioles. Each card measures 3 1/2" x 5" and is a collectible item for fans and collectors, representing the 1997 MLB season.