Each sealed box contains 6 packs of 5 cards each in a 160 card base set including 60 Rookie Letterman cards 1:3. Each PACK will contain THREE Memorabilia and/or Autograph cards. Parallel sets: Silver, Gold, and Black. Inserts: Rookie Threads (Single, Dual, Triple, and Maximum), Rookie STATure, Double Coverage, Phenom Flashbacks, Draft Day Ink, Signing Day Autograph, Rookie Exclusives, Scripted In Time, and SP Multi Mark Autographs.

Info taken from Charmcitycards.com