Each sealed box contains 15 packs (three 5-pack mini boxes) of 3 cards each in a 252 card base set including 126 Veterans and 126 #`d Rookies. >>> Each box contains ONE Memorabilia card, ONE Autograph card, and ONE Autograph Memorabilia card. Parallel set: Printing Plates (each is a 1-of-1). Inserts: Essential Elements Memorabilia 1:15, Elements (Dual, Triple, Quad > all 1:240), Elemental Autograph 1:15, and Clear Cut Elements Autograph Memorabilia 1:15 > #`d to 350 or less), and Rare Elements Memorabilia Patch 1:120.