The 2026 Topps Series 1 Baseball Hobby Jumbo Pack contains 40 factory-sealed cards featuring popular players like Shohei Ohtani and Mike Trout. This pack is specifically designed for Major League Baseball fans, with cards representing teams such as the New York Yankees, Chicago Cubs, and Los Angeles Dodgers. Every pack is authenticated by Topps and manufactured in the United States, ensuring high-quality sports trading cards for enthusiasts to enjoy.