The Pokémon TCG: Scarlet & Violet—Twilight Masquerade Elite Trainer Box (ETB) contains nine booster packs from the Twilight Masquerade expansion, a Teal Mask Ogerpon full-art promo card, Ogerpon card sleeves, basic Energy cards, a player's guide, dice, condition markers, and a collector's box with dividers. The set features Legendary Pokémon Ogerpon in its various masked forms, new Pokémon like Bloodmoon Ursaluna and Sinistcha, and includes ACE SPEC cards. 
Booster Packs & Cards
Booster Packs: Includes 9 booster packs from the Twilight Masquerade expansion. 
Promo Card: Features a full-art foil promo card of Teal Mask Ogerpon. 
Energy Cards: Comes with 45 Pokémon TCG Energy cards. 
Code Card: Contains a code card for the Pokémon Trading Card Game Live