The product is a lot of 10 promotional samples trading cards featuring Ken Griffey Jr from the 1990s. Manufactured by Upper Deck, these standard-sized baseball cards are made of card stock and are original releases. The cards showcase the Seattle Mariners outfielder in Major League Baseball (MLB) and are from the MLB World Series season in 1990. These promotional cards are in English and are a collectible item for fans of baseball and Ken Griffey Jr.