The 2026 Topps Baseball Series 1 - Factory Sealed Set of 3 Eggs contains a total of 177 standard-sized trading cards featuring players from the Major League Baseball (MLB). This set includes popular athletes like Bryce Harper, Juan Soto, and Mookie Betts, among others. The cards are made of cardstock and paper, with features such as base, exclusive, rookie, parallel, and insert cards. This product is a must-have for any baseball fan looking to collect cards from various teams like the Philadelphia Phillies, New York Yankees, and Los Angeles Dodgers.