The 2020 Topps Series 1 Baseball Cards offer a complete set of base cards featuring players from the Major League Baseball (MLB). These standard-sized cards are made of card stock and are original prints from the manufacturer Topps. The set includes a variety of players such as Ronald Acuña Jr., Clayton Kershaw, and Pete Alonso, among others. Each card represents a player from different MLB teams like the Atlanta Braves, New York Mets, and St. Louis Cardinals. This collection is a must-have for baseball card enthusiasts looking to complete their set with cards from the 2020 season.