The Pokémon Company and General Mills have teamed up for a Pokémon TCG card distribution. 12 different cards are available in this promo set and can be found in specially marked boxes of General Mills Fruit Flavored Snacks and Fruit Roll-Ups.

Enjoy a Snack and Some Exclusive Pokémon TCG Cards!

Pokémon and General Mills join forces to deliver delicious goodies and amazing foil Pokémon TCG cards.

For a limited time, Pokémon fans will be able to find 12 different collectible Pokémon Trading Card Game cards in boxes of participating General Mills Fruit Flavored Snacks and Fruit Roll-Ups. Look for specially marked boxes where you'll find tasty treats—and a pack of three Pokémon TCG cards! Inside each pack is two common cards and a special foil card that you can only find in these participating General Mills products.

Common cards you can find include Jigglypuff, Magikarp, Charmander, Riolu, Alolan Vulpix, Alolan Diglett, Alolan Sandshrew, and Alolan Geodude. And keep an eye out for the exclusive foil cards: Jangmo-o, Cosmog, Rockruff, and Pikachu. Ah, yes! There's nothing like the satisfaction of a full stomach and a bolstered Pokémon TCG deck! Start munching and collecting, Trainers!

Source: https://www.pokemon.com/us/pokemon-news/enjoy-a-snack-and-some-exclusive-pokemon-tcg-cards/