Lisa asked about measurements on yesterday's BFF card. The finished card is a regular A2: 4 1/4 x 5 1/2 inches. I cut a 8.5 x 11 sheet down to 5.5 x 11 and then scored it at 3.5 and 7.75. The main thing is that you want the middle section between the two score lines to be 4 1/4" wide. the other two sections will be your flaps or flap and pocket. You can adjust these measurements to meet your design needs.
I hope this makes sense.