Pokémon TCG: True Steel Premium Collection - Rules of Play says:

If you're looking to add some steely might to your Pokémon Trading Card Game collection, call upon the Legendary Pokémon of the Galar Region. The Pokémon TCG: True Steel Premium Collection celebrates the powerful Zacian and Zamazenta with two sets, each one focusing on one of the Warrior Pokémon. Whether you choose the Zacian collection or the Zamazenta collection, you'll find a foil promo card, a stunning figure, and a beautiful collector's pin representing your chosen Legendary Pokémon. The sets also include six Pokémon TCG booster packs to add to your ranks.