The product is a 1989 Fleer trading card featuring Guillermo Hernandez, a baseball player from the Detroit Tigers. This particular card has a red triangle mark on the arm/shoulder area, which adds a unique and collectible element to the piece. As a part of the base set manufactured by Fleer, this card is a valuable addition to any sports trading card collection, especially for fans of Major League Baseball and vintage baseball cards from the 1989 season.