The 2017 Panini Contenders Football Sealed 12 Box Hobby Case #90229 contains a total of 1440 trading cards featuring players like Deshaun Watson, George Kittle, Christian McCaffrey, and Patrick Mahomes from the NFL. This case is part of the 2017 set and includes various features such as serial numbered cards, short prints, base set, rookie cards, parallels, and inserts. Each card is made of card stock and manufactured by Panini in the United States, making it a desirable collectible item for football fans and trading card enthusiasts.