Get your choice of sizes on FREE cards. You can get 10 FREE 6×8, 5×7, 5×5, or 4×8 flat stationery cards, or 10 5×7 folded greeting cards from Shutterfly. Use promo code EARLYBIRD. This is a great way to make your own postcards with matte design of your summer travels. Hurry! This deal is only good July 27 and July 28, 2013.