The product is a lot of 20 Sammy Sosa Chicago Cubs baseball cards, including a rookie card. These original cards are made of card stock and feature the Major League Baseball player in English language. The cards are from the 1990 MLB World Series and are authenticated by Upper Deck. Manufactured by Topps, these standard-sized trading cards showcase Sosa during his time with the Chicago Cubs, making them a valuable collectible for fans and collectors alike.