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.
"Worked with helpful staff for change to landscape photo and my wedding colors Printed exactly as requested Great customer service"
"The card matched my wedding colors perfectly! The designers helped adjust the design to fit my new last name on the card!"
"We loved the design, choice of colors and the actual card itself. All of our friends thought they were perfect. The paper and the printing was fabulous. The return labels added the finishing touch."
"The cards were of high quality and the print quality was great, looked exactly how we expected from the website. It would have been nice to have colored envelopes as an option, but I am very pleased with the cards."