I remember seeing this when I had my regular job with a school district. One of the pre k teachers had small bulletin board pictures and game pieces for her class stored in a large brown envelope. She had laminated it in the open position and then carefully cut the laminating film at the place where the envelope would open.
This would make a wonderful place to store any lightweight items such as game pieces or paper dolls. I used to laminate with clear contact paper. Once you get the contact paper in place, you can iron it between 2 sheets of brown paper.
By MartyD from Houston, TX