The Japanese Pokémon TCG: Mega Premium Trainer Box contains 20 booster packs (10 each of "Mega Brave" and "Mega Symphonia"), 172 cards including Pokémon, Trainer, and Energy cards, plus accessories like a card storage box, Pokémon coin, acrylic damage counters, and condition markers. The set offers a comprehensive collection of cards and high-quality items for collectors and players of the Japanese Pokémon TCG.
