The product is a mystery pack containing 20 baseball trading cards featuring players from the Washington Nationals, manufactured by Topps for the 2019 season. The cards are standard size and in English language, part of the 2019 Topps set. Each pack includes cards from the Major League Baseball league, and autographed cards are not included. This product is perfect for fans of the Washington Nationals looking to add some excitement to their sports trading card collection.