A Pokémon TCG: Battle Partners booster box is a Japanese product containing 30 packs with 5 cards each, for a total of 150 cards per box. It features Trainers and their partner Pokémon like N, Lillie, Hop, and Iono, and the box guarantees a certain number of high-rarity cards, typically including one Super Rare or better, three Art Rares, and four Double Rares. 
 
Contents:
Packs: 30 booster packs per box.
Cards per pack: 5 cards.
Total cards per box: 150 cards.