This 1990 Upper Deck Baseball factory set contains 800 cards featuring Major League Baseball players such as David Justice, Sammy Sosa, Ken Griffey Jr, Albert Belle, Nolan Ryan, and Juan González. The set includes 98 rookies, 48 Hall of Famers, and many superstars. The cards are made of card stock and are in their original form, manufactured by Upper Deck in the United States.

The set is a great addition to any baseball fan's collection, and it offers a glimpse into the 1989 MLB season. The cards are in new condition and showcase the players in action during games. This sports trading card set is a must-have for any collector who loves baseball and its rich history.