The 2021-22 Panini Chronicles NBA Basketball Factory Sealed Blaster Box contains 42 standard-sized trading cards featuring players from the National Basketball Association (NBA). Manufactured by Panini, the box includes cards of popular athletes such as Kyrie Irving, Stephen Curry, LeBron James, and more. Each card is made of card stock and paper materials, with exclusive features like serial numbers, holograms, and stamps. This collectors' edition set is part of the 2021-22 season and includes rookie cards, limited editions, and inserts, making it a must-have for basketball card collectors in the United States.