The Panini Diamond Kings Baseball Blaster Box - GC0421 is a collection of baseball trading cards featuring top players like Joe Burrow, A. J. Dillon, and Babe Ruth. This set includes 30 cards per box, with a total of 5 boxes in the package. The cards are made of card stock and paper materials, and are part of the Donruss Diamond Kings series. The box also includes exclusive, rookie, and limited edition cards, as well as serial numbered and hologram cards. This product is perfect for collectors looking to add unique and valuable cards to their collection.