Pokemon TCG: Alolan Sandslash-GX Box - Rules of Play says:
From the warmth of Alola comes a frosty challenger with quick claws and spiky blue quills: Alolan Sandslash-GX! The Pokémon Trading Card Game: Alolan Sandslash-GX Box brings that dangerous Pokémon and its icy power directly to you, with foil versions in both playable and jumbo sizes. Roll out with calm, steady power, and add Alolan Sandslash-GX to your Pokémon TCG collection today!