Pokemon TCG: Pale Moon-GX Box - Rules of Play says:
With crooked claws and glowing eyes, the TAG TEAM of Trevenant & Dusknoir-GX knows its way around a haunted forest! Celebrate this Pokémon pairing with the Pokémon TCG: Pale Moon-GX Box, featuring a fantastic oversize card featuring Trevenant & Dusknoir-GX, plus a special foil promo card. In addition, this box brings treats and treasures to your collection with 4 Pokémon TCG booster packs! Explore the spooky side of Pokémon with the Pale Moon-GX Box!