Go to your Shutterfly account. If you are not registered, you would want to do that first.
Click on “My Account” and enter the code: SUMMERCARDS in the “Enter Special Offer Code” box. (It’s at the bottom of the page.)
Create three 5×7 Photo Cards, then add them to your cart.
The three cards will show up as FREE, you will only have to pay $0.99 for shipping (to the same location)!