Versatile, Secure Storage Binder Holds A Large Amount Of Paperwork. It Is Ideal For Filing Purchase Orders, Invoices, Shipping And Receiving Records Or Other Forms That Require Frequent Sheet Changes. Slide Button Locking Mechanism In Slotted Metal Case Lets You Remove Binder Cover Without Lifting It Over The Binder Posts. Design Also Includes Green Canvas Covers Over Medium-Weight Board, Canvas Cover Hinges, Imitation Leather Corners, And Two 3/16" Diameter Posts. Overall Capacity Is 3"..