The 2018 Donruss Diamond Kings Insert Set Complete 30 Card Set is a collection of baseball trading cards manufactured by Panini in 2018. This set includes 30 standard-sized cards featuring players from the Major League (MLB) in English language. The cards are made of card stock and are original prints, not reprints. These cards are part of the 2018 Panini Diamond Kings set and are perfect for baseball fans looking to add to their sports memorabilia collection.