Each booster box contains 36 booster packs
Each pack contains 10 random cards

The pulse of the city beats in sync with the Pokémon and people who call it home—and preserving the order of it all is Mega Zygarde ex, the Legendary Pokémon who embodies strength in numbers! With threatening forces held at bay, peaceful days are ahead for the city's residents, including Pokémon like Mega Clefable ex, Mega Starmie ex, and Meowth ex, in the Pokémon TCG: Mega Evolution—Perfect Order expansion! 

The Pokémon Elite Trainer Box includes:
• 9 Pokémon booster packs
• 65 card sleeves
• 45 Pokémon TCG Energy cards
• A player's guide to the expansion
• 6 damage-counter dice
• 1 competition-legal coin-flip die
• 2 plastic condition markers
• A collector's box to hold everything, with 4 dividers to keep it organized
• A code card for Pokémon Trading Card Game Live