The UNION ARENA TCG: Solo Leveling Booster Box UE17BT contains 16 packs of English-language cards from the popular game Union Arena. Manufactured by Bandai in Japan, this box is specifically designed for collectors and players of the Solo Leveling set. Each pack includes standard-sized cards suitable for players aged 6 and up, offering a chance to enhance their collection and compete in the game. Perfect for fans of collectible card games, this booster box is a must-have for any Union Arena enthusiast.