The Mystery NBA Pack offers a total of 30 cards with a guaranteed 4+ rookies and 1+ autographed cards, as well as additional inserts. Each card is standard size and made of card stock, featuring players like Lebron James from the Los Angeles Lakers as well as old players like Magic Johnson, adding to the value and excitement of this sports trading card collection. With a mix of rookie, insert, and autographed cards, as well as some base, this pack is perfect for basketball card collectors looking for a variety of unique and valuable items.