The product is a 1988 Donruss baseball trading card featuring Rafael Palmeiro of the Chicago Cubs. This particular card has a solid blue upper left corner, adding a unique variation to the base set. It is a single card from the 1988 Donruss series manufactured by Leaf, and is a part of the Major League Baseball (MLB) league. This collectible item showcases Palmeiro as a player in the 1988 season, making it a sought-after piece for baseball card collectors and fans of the game.