Using this Ganbarizing portfolio is a breeze. You can easily store and display your 4 exclusive Ganbarizing cards along with the special Gashat. When handling the cards and the Gashat, be gentle to avoid any damage. To keep them in good condition, store the portfolio in a cool, dry place away from direct sunlight. If the portfolio gets dirty, you can use a soft, dry cloth to clean it. Have fun exploring the world of Ganbarizing with this great set!