The product is a collection of three Beckett Monthly magazines featuring Ken Griffey Jr covers from July 1990, March 1991, and June 1994. These magazines belong to the sports trading card industry, specifically focusing on baseball. Published by Beckett Media, they are price guides that offer valuable information and insights into the sports trading card market. These publications are a must-have for fans and collectors looking to learn more about the history and current trends in baseball card collecting.