Expansion in Japanese language. Heat Wave Arena is the name given to the Japanese set sv9a released during the Scarlet & Violet era of Pokémon Trading Card Game. The expansion contains 63 regular cards and many foils! It brings back the formula that combines Trainers and Pokémon, already proposed months ago, now enriched with new additions. Each Box contains 30 booster packs. Each booster pack contains 5 cards. At the following link you can find the file with the label dimensions 7,3 x 2,6 cm (width x height) to be placed on each individual booster pack: Label Booster Packs. Labels to be affixed exclusively on products purchased from Db-Line S.r.l. Any improper use will be pursued under law.