Each sealed box contains 18 packs of 5 cards each in a 275 card base set including 50 Legends (#`d to 999). Each box will contain THREE Memorabilia and/or Autograph cards. Parallel sets: 125 Autograph Rookies (#`d to 999) and Timeless Tributes. Inserts: Memorabilia cards (Legendary Players, Classic Singles, Classic Combos, Classic Triples, Classic Quads, VIP Membership, Timeless Triples, Saturday Stars, Sunday`s Best, and Monday Night Heroes) and Autograph cards (Significant Signatures and School Colors Signatures).