Expandable Casemade Binder

Binder width expands from 3 in. to 5 in.. Telescoping posts make width adjustments easy. Slide-action binding mechanism to keep contents tidy and a bar system that lets you add, remove or substitute papers in front, back or in-between existing pages. Heavy gauge material binder also includes metal hinges to reduce wear-and-tear. For 8-1/2" x 11" documents.