These Pokemon mystery packs contain 10 cards. Randomly inserted into packs are rares, holos, reverse holos, cards from base set until today, more valuable cards and commons. Each pack of cards contains more value than if the cards were sold individually and the average value per pack is just under $6.00 ($5.85 to be exact). We have sold over 2500 mystery packs since 2013 and with many customers buying multiples after opening one or two to start. These are perfect for any Pokemon fan! All cards are in played to mint condition. Just like all Pokemon cards, mystery packs are non refundable.