The New Sealed 2021 Topps Stadium Baseball Blaster Box contains 41 standard size trading cards from the Major League Baseball (MLB) set. This box features top players like Christian Yelich from the Milwaukee Brewers and is manufactured by Topps in the United States. Each card is made of card stock and comes with an autograph authentication by Topps. Perfect for baseball fans looking to add to their sports trading card collection, this set includes various features from the base set for the 2020 season.