The 2025 Topps Chrome Cosmic Baseball Base Cards are a set of standard-sized trading cards featuring various players from Major League Baseball. Manufactured by Topps, these original cards are made of card stock with a 35 Pt. thickness. The base set includes rookie cards of popular athletes like Vladimir Guerrero Jr., Ronald Acuña Jr., and Yordan Alvarez, making them highly sought after by collectors. Each card is part of the English-language Chrome parallel/variety, adding a unique element to this collection of baseball trading cards for the 2025 season.