The product is a 2019 Topps National Baseball Card Day St. Louis Cardinals unopened pack, featuring standard-sized trading cards made of card stock. This pack includes 4 cards from the Major League (MLB) set, with exclusive features as a Stadium Giveaway (SGA). It does not contain any autographed cards, and is a rare find for collectors. The pack is from the 2019 Topps National Baseball Card Day collection.