The 2020 Topps Baseball Walmart Green Factory Complete Set is a sports trading card collection featuring players from Major League Baseball. This set includes 700 standard size cards in a box configuration, with a focus on the New York Yankees, Chicago White Sox, Chicago Cubs, New York Mets, and Los Angeles Dodgers teams. Manufactured by Topps, the set includes a variety of features such as a base set, exclusive cards, and rookie cards, all in English and made of paper. It is a complete set for collectors looking to enhance their baseball card collection from the 2020 season.