Here are the lovely response card and envelope set to match your NYC invitations! Simply pick your favorite ink colors and papers. Two to three days after your purchase we will send you a digital proof for your approval before going to final print. So no worries, you can see it before we print it ;) to make sure all is perfect. Card size: A2, 4.25" x 5.5". Flat printed on 110 lbs-120 lbs. quality paper.