The 2019 Panini Chronicles Baseball Pack contains 5 standard-sized trading cards featuring players from the Major League Baseball (MLB) teams like the New York Yankees, Los Angeles Dodgers, and San Francisco Giants. Each pack includes cards of popular athletes like Bryce Harper, Mookie Betts, and Mike Trout, along with rookie cards and limited edition inserts. The cards are made of card stock and come from the 2019 Panini Chronicles set, with features like serial numbering and exclusive collectors' editions. Perfect for baseball card collectors looking to add to their collection of the sport's top stars.