To use this Pokémon portfolio, simply open it up and slide your cards into the polypropylene pages. You can choose to load them single or double, depending on how many cards you have. When carrying it around, try not to bend or crush it to keep your cards safe. To maintain it, keep it in a dry place away from direct sunlight. Regularly check the pages for any signs of wear and tear. It's suitable for kids aged 6 and up, so adult supervision might be needed for younger children.