Create fun, unique, and great-looking cards with the Double-Sided Matte Photo Paper from Canon. Offered here in a 20-pack, these 7 x 10" sheets fold down to 5 x 7" and an envelope is included for each sheet of paper. They are ideally suited to work with the free Canon Creative Park app or the Canon Easy-PhotoPrint Editor app, and the paper is perfect for creating personalized birthday cards, holiday cards, thank you cards, graduation cards, wedding cards, invitations, and more.