Pop-Up Treasures Greeting Card - Pandas. Item No. 993. Pop-Up Greeting Cards are innovative, three-dimensional products that include intricate designs, premium artwork, and unexpected pop-ups. These miniature art forms are delightfully designed paper engineered products that are not only a greeting card but become memorable keepsakes that delight not only the senders but the receivers as well. Card message is Happy Birthday and there is space on the back for your personal message. Size: 5 x 5 inches. May require extra postage when mailing as a card.