The 2024 Topps Series 1 trading cards feature Major League Baseball (MLB) leaders such as Blake Snell, Justin Steele, and Kodai Senga from the Chicago Cubs, New York Mets, and San Diego Padres respectively. These standard-sized cards are made of card stock and are part of the original base set manufactured by Topps. The cards showcase various league leaders from the 2024 season and are great collectible items for baseball fans and card enthusiasts looking to add to their collection.