A4 Marketing folder design(repost)

We require a 2-fold FOLDER to be designed for the company called Douglas Aerospace. Something that has a provision for a business card, and can fit A4 sheets of paper in it. What we would really love to do is have 4-5 sheets of paper, allocated from 1 2 3 4 as different sizes of paper, so the numbers and titles can be seen consecutively, containing valuable information