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.
"We just bought our first house and were thrilled to announce that we were moving. I loved the chalkboard look and was able to customize the back so that it was blank and added on plain white envelopes to mail them. There are some address labels that match and it was perfect to send to friends and family! Great quality!"