2" capacity binder with one-piece insert for front and spine. Sheet size: 11" x 8 1/2" + 1/2" index allowance. Seamless clear overlay from spine to front and round ring mounts on the back cover. No more trying to push an insert into a tight spine! We leave the hinge open for a one-piece insert to effortlessly fit in. Allows for a more custom seamless wrap-around look as well.