This "Binder in a Box" keeps records neat and dust-free. Unique closure ensures that the binder opens easily and locks securely. Binder opens easily and locks closed using a rugged plastic fastener. Papers are secured with plastic posts and compressor rings for the ultimate document security. Posts adjust to 2-3/4" or 4-1/4" spacing to suit a variety of materials. Storage box is made from a high percentage of recycled material.