Specially designed for pre-punched catalogs and booklets. Binder expands so even if you are organizing a catalog, everything will fit. Telescoping posts make adjusting the width of this binder a breeze. Binder has a slide-action binding mechanism to keep contents tidy. Content changes are made easy by using the transfer bar system that allows you to add, remove or substitute paper into the front, back or in between existing pages. Black simulated leather cover over heavy binder board. Maximum capacity: 5.5". Sheet size: 11" x 8 1/2", 3 rings.