Display book with rings and detachable pockets Opaque semi-stiff PP 30 pockets - A4 size Removable pocket folder with plastic rings - Removable crystal pockets. Ideal for filing and for a new presentation every day. Removable pocket folder with plastic rings - Removable crystal pockets. Ideal for filing and for a new presentation every day. Crystal clear pockets for high transparency A4 in size and can hold A4 documents.