The Topps 2026 Flagship Collection MLB Baseball sealed box from Costco contains standard-sized trading cards featuring athletes from the Major League Baseball (MLB). This specific set includes cards of Shohei Ohtani and other players from the New York Yankees team. Manufactured by Topps, the cards are made of high-quality card stock and come in a single box packaging. Each card is hard-signed and authenticated by Topps, adding value and authenticity to the collection. This limited edition set is a must-have for baseball card collectors and fans of the sport.