On the front, I also used Karen's coordinating Fancy Frame Edges dies to creating a frame for the card. If you look closely, you can see the mitered corners. Love the concept of those frame dies.
Here's a quick Vine video to show you how the Accordion cards open. Pretty cool, huh?!
Everything I used (other than the paper) can be found at Inspiration Emporium via the links below. Don't forget to use my coupon code - stamptramp - to save 10%!