This design has a blank panel and a gift tag which can be used for a personal message. Just close the Pop Up flat and write your message in the panel/tag provided before placing in the envelope for mailing.
If you’re wondering how big it is, these are the dimensions: Closed size (approx.): 170 x 120mm (6¾" x 4¾") Open size (approx.): 210 x 250mm (8½ x 10")