The 2025 Topps Chrome X-FACTOR REFRACTORS #1-300 You Pick A Card Complete Your Set is a collection of baseball trading cards featuring players from the Major League (MLB). Manufactured by Topps, these standard-sized cards are made of card stock and belong to the X-Factor Refractor insert set. With a variety of parallel/variety designs, this original set includes rookie cards of popular players like Bryce Harper, Vladimir Guerrero Jr., and Ronald Acuna Jr. Fans can choose specific cards to complete their set from teams such as the Philadelphia Phillies, New York Yankees, and Los Angeles Dodgers. Each card is numbered 1-300 and is in English language.