The product is a collection of 10 different baseball cards featuring Ken Griffey Jr. from the years 1991 to 2002. The cards are standard size and from the Major League Baseball (MLB) league. Each card represents a specific player or team from that season, all originating from the United States. This collection is a must-have for fans and collectors of baseball memorabilia, especially those interested in the legendary player Ken Griffey Jr. and his career in the MLB.