The product is a 2021 Panini Donruss Optic trading card featuring Kwang-Hyun Kim of the St. Louis Cardinals. This particular card is a Blue Pandora Prizm parallel with a print run of 99. It is serial numbered 18/99 and is part of the Major League Baseball (MLB) set for the 2021 season. The card is a valuable addition to any baseball card collection, especially for fans of the St. Louis Cardinals and collectors of limited edition cards.