The product is a lot of two 1963 Topps Baseball trading cards featuring #5 ERA Leaders with Sandy Koufax and #93 Galen Cisco. These vintage cards are part of the original 1963 Topps set, made of card stock, and feature players from the Major League (MLB) pitching stats from the 1963 season. The cards are standard size and manufactured by Topps in the United States, making them a valuable collectible for baseball enthusiasts and fans of vintage sports memorabilia.