The loose-leaf binder with stapling mechanism (1 x 80 mm perforation) is ideal for filing index book pockets up to A4 format or paper up to A4 format. There is an additional pocket on the inside for unperforated inserts. Includes a filing device that allows you to file the entire loose-leaf binder in a ring binder. The cover is made of very robust ExtraSolid material. The Vario loose-leaf binder is as individual as you are! Design your own personalised title page and insert it into the pocket on the cover.