Panini presents the 2021 Baseball Prizm blaster box! Each box contains 6 packs, and each pack contains 4 baseball trading cards. Look out for the 1 bonus 8-card pack! Each box may contain a retail-exclusive Green Prizm per box, on average! Unlike most of the other sports, 2021 Panini Prizm Baseball opts for three base groupings. Joining the common Base set is Tier II and Tier III, which is home to the toughest cards. The 2021 Panini Prizm Baseball insert lineup features Fireworks, Lumber Inc. and Rookie Class.