The 2021 Panini Prizm MLB Baseball Cello Pack includes 18 standard-size trading cards and 6 bonus cards, all factory sealed. This pack features top players like Fernando Tatis Jr., Mookie Betts, and Ronald Acuña Jr., among others. The cards come in a pack configuration and are made of card stock material. The set is part of the 2021 Panini Prizm collection and includes various features such as serial numbering, holograms, and rookie cards. This pack is a limited edition and includes exclusive inserts, making it a sought-after item among baseball card collectors