The Pokémon "Chaos Rising" Elite Trainer Box contains:

9 Pokémon TCG booster packs (Mega Evolution-Chaos Rising expansion)
1 "Full Art" foil promo card featuring Fennekin
65 card sleeves
40 Pokémon TCG Energy cards
A player’s guide to the Mega Evolution-Chaos Rising expansion
6 damage-counter dice
1 tournament-legal coin-flip die
1 plastic coin
A collector’s box to hold everything, with 6 dividers for organization
A code card for Pokémon TCG Live