The 2026 Topps Flagship Collection Series 1 Factory Sealed Box contains 184 standard-sized trading cards featuring players from Major League Baseball's (MLB) World Series. The set includes autographed cards by top athletes like Shohei Ohtani and Mike Trout, with each autograph authenticated by Topps. This exclusive collection showcases cards made of high-quality card stock, providing fans with a unique opportunity to own memorabilia from the MLB World Series. With players from teams like the New York Yankees, Atlanta Braves, and Los Angeles Dodgers, this factory sealed box offers a valuable addition to any baseball card collection for the 2026 season.