The product is a set of 5 non-numbered inserts from the 1993 Upper Deck Baseball Heroes collection, featuring players such as Walter Johnson, Ty Cobb, Frank L. Chance, Joe Tinker, and Christy Mathewson. These licensed reprints of vintage baseball cards are made of card stock and showcase various players from Major League Baseball (MLB) teams like the Boston Red Sox, New York Giants, Detroit Tigers, Chicago Cubs, and Washington Senators.