Each sealed box contains 24 packs of 5 cards each in a 225 card set including 75 Rookies (#`d to 999). >>> Each box contains TWO Rookie cards and FOUR Memorabilia and/or Autograph cards. Parallel set: Century Proof (Bronze > #`d to 250, Silver > #`d to 100, Gold > #`d to 50, and Platinum > #`d to 25). Inserts: Threads Jerseys (#`d to 250 or less), Century Collection Materials (#`d to 250 or less), Generations Materials (#`d to 250 or less), Century Star Materials (#`d to 250 or less), Century Legends Materials (#`d to 250 or less), Dynasty Materials (#`d to 250 or less), Rookie Collection Materials > #`d to 500 or less), College Greats Signatures (#`d to 100 or less), Pro Gridiron Kings (Materials > #`d to 250 or less, Signatures > #`d to 500 or less), and College Gridiron Kings Signature (#`d to 250 or less; Materials > #`d to 250 or less).