The product is a 2019 Panini Donruss trading card featuring J.T. Realmuto of the Miami Marlins in Major League Baseball. This card is part of the Diamond Kings subset, making it a collectible item for baseball fans and card enthusiasts. With a card number of 20 and belonging to the base set, this item offers a glimpse into the 2019 baseball season and is a valuable addition to any sports trading card collection.