Each sealed box contains 18 packs of 4 cards each in a 330 card base set including 20 Bowman Autograph Rookie cards, and 110 Bowman Chrome Prospect cards >>> Each box contains ONE Autograph card. Parallel sets (5:box): Bowman (Refractor, X-Fractor > #`d to 250, Blue Refractor > #`d to 150, Gold Refractor > #`d to 50, Orange Refractor > #`d to 25, Red Refractor > #`d to 5, and Superfractor > each is a 1-of-1), Bowman Autograph Rookies (Refractor > #`d to 250, X-Fractor > #`d to 125, Blue Refractor > #`d to 75, Gold Refractor > #`d to 50, Orange Refractor > #`d to 25, Red Refractor > #`d to 5, and Superfractor > each is a 1-of-1) and Bowman Chrome Prospects/Autograph Prospects (Refractor > #`d to 500, X-Fractor > #`d to 250, Blue Refractor > #`d to 150, Gold Refractor > #`d to 50, Orange Refractor > #`d to 25, Red Refractor > #`d to 5, and Superfractor > each is a 1-of-1), and Printing Plates (4 variation for each player > each is a 1-of-1).