You won't be able to dismiss this by usual means (escape or click button), but you can close it programatically based on user choices or actions.
"I wasn't looking for something too complicated but I wanted something that was better looking than a home made thing, and this design was the best of everything I was looking for. its just great! I love it!"
"We wanted to add more text and a picture to this card, so we took a snap shot of a document that included the RSVP information and a picture of us. Then we uploaded the snap shot to the back of the card, and it turned out great."
"I purchased the invites and rsvp's that match this card and I couldn't be happier with all of them. I love the common theme with the circle. I tailored this card to be more of an "info" insert by putting where we were registered at the bottom, and changed "drinks" to "hors d'oerves"... overall looks very classy, cardstock is pretty thick, too."