Each sealed box contains 10 packs of 3 cards each in a 150 card set including 60 Rookies (#`d to 799). >>> Each PACK contains ONE Memorabilia or Autograph card. >>> Each BOX contains SIX Memorabilia cards and FOUR Autograph cards. Parallel set: Rookies (#`d to 399). Inserts: Shadow Box, Memorabilia cards (Winning Materials > #`d to 249, Rookie Materials > #`d to 249, Winning Combos > #`d to 99, Winning Trios > #`d to 50, Fantastic Foursome > #`d to 20) and Autograph cards (Rookie Autograph > #`d up to 549, Rookie > #`d to 299, Super Scripts: Single, Dual, Trio, Quad, Six, & Eight; X-Factor, #`d Rookie Materials Autograph Patch, #`d Winning Combos Autograph Patch, #`d Winning Trios Autograph Patch, and #`d Shadow Box).