To use these coloring cards, grab your favorite coloring tools like colored pencils or markers. You can color the designs to your heart's content. After coloring, you can write a personal message on one side of the card. If you want to share it, just tear it out gently. When it comes to maintenance, keep them away from water to avoid damage. Store them in a dry place. And don't worry about rough handling as the heavy - cardstock is quite durable. Enjoy your creative time with these cards!