Flexible spine binder with window pocket and spine stiffener insert

A binder comprising front and rear covers, a flexible spine and means for retaining sheet material in said binder, said front cover being attached to one outer longitudinal edge of the spine and the back cover to a longitudinal edge of said spine opposite said one edge, a sheet of material attached to said spine and providing, together with said spine a pocket, said pocket being open at the top and extending substantially the full length and width of the spine and an elongate stiff member removably insertable into said pocket transforming said flexible spine into a stiff spine and also providing means for use in having labelling thereon to identify the contents of the binder, said sheet of material, attached to the spine, being transparent at least in part and wherein said labelling is exposed through such transparent part when the insert is located in said pocket.

A loose leaf binder comprising front and rear stiff covers each joined at one edge thereof to a flexible spine;

• a flexible sheet of transparent material attached to marginal edges of the spine providing a pocket overlying substantially the entire length and width of the spine, a stiff elongate slender member removably insertable into said pocket and corresponding essentially to the full length and width thereof, said stiff member providing a stiff spine for the binder when inserted into said pocket and a base for labelling, means releasably retaining said stiff member in said pocket, said means comprising a selected area of reduced width in said pocket in which such reduced width is narrower than the width of said stiff member and means for retaining sheet material in said binder.