Using this sunflower pop - up greeting card is easy. First, take out the bouquet from the set. You can arrange it in the paper vase provided. Then, write your warm message on the matching blank note card. Put the note card and the vase with the bouquet into the vibrant mailing envelope and send it to your loved one. When handling the card, be gentle as the 3D pop - up design can be a bit delicate. Since the flowers and envelope are made of 100% recyclable paper, you can recycle them after use to be environmentally friendly. To keep the card in good condition, store it in a dry place away from direct sunlight.