content: This is a good binder. I only did not work for me because the width only is enough to fit 8.5 x 11 sheets of paper. If you wish to include tab dividers the will protrude past the width of the binder. Also the expansion is limited in that you start from 3" and expand to 5" inches. The binder cannot collapse smaller than 3". So as long as these two items are not an issue, it is sturdy and durable