The product is a 1990 Upper Deck baseball trading card set factory sealed, featuring Ken Griffey Jr. as a player. This vintage set is original and includes cards made of card stock. The set is from Major League Baseball (MLB) and includes standard-sized cards, perfect for collectors looking to complete their 1990 Upper Deck baseball collection. The autograph authentication is done by Upper Deck, adding to the authenticity and value of this classic baseball card set.