The foldable punched edge makes the cover flexible for storage in a binder, stacking on the desk, or while on the go. It features a closure flap for ideal protection of the contents and a labeling strip for quick retrieval. The unique, patented, and foldable punched edge allows for flexible use as a brochure or display cover. With a stretchable 20 mm spine, it is suitable for bulky documents and catalogs of up to 150 sheets (80 g/m²). The shorter front allows for easy access to the contents. Made from document-safe 0.18 mm polypropylene film.