The Pokemon TCG: Mega Evolution-Perfect Order Pokemon Center Elite Trainer Box includes:

9 Pokemon TCG: Mega Evolution-Perfect Order booster packs
Each booster pack contains 10 cards, 1 Basic Energy, and 1 Pokemon TCG Live code card. Cards vary by pack.
1 full-art foil promo card featuring Tyrunt
65 card sleeves
40 Pokemon TCG Energy cards
A player's guide to the Mega Evolution-Perfect Order expansion
6 damage-counter dice
1 competition-legal coin-flip die
1 plastic coin
A box to hold everything, with 6 dividers to keep it organized
A code card for Pokemon Trading Card Game Live