Flexible polypropylene Display Book 100 views, A4 With a matt structured flexible polypropylene cover, anti stain and anti scratch, the Opak display book, also called document or book cover, is an economical product for everyday use. Its anti-reflective grained pockets allow you to classify A4 documents and consult them like a notebook. Easy to transport, light and flexible, it is very practical to protect documents and keep them in hand, dry in any situation. To choose your document protector, identify the number of pages in your file and choose the capacity accordingly. 1 pocket = 2 views (front and back). With a matt structured flexible polypropylene cover, anti stain and anti scratch, the Opak display book, also called document or book cover, is an economical product for everyday use. Its anti-reflective grained pockets allow you to classify A4 documents and consult them like a notebook. Easy to transport, light and flexible, it is very practical to protect documents and keep them in hand, dry in any situation. To choose your document protector, identify the number of pages in your file and choose the capacity accordingly. 1 pocket = 2 views (front and back).