DURABLE Course book is made out of lightweight but strong poly-propylene, which has a wipe clean surface. The plastic sleeves are glass clear. Flat mechanism saves space and time, remove pages with ease without having to empty and refill every pocket IDEAL This course book is a perfect solution to store and protect your important file and paper document. It is great for presentations and filing information. This course book has a 50 sheet capacity (100 sides to view). Clear poly sleeve wallets ARCHIVAL QUALITY Material is acid and lignin free which makes a great storage option for archiving your important document and file information. Expanding capacity folders course book is great for storage of information or for a presentation wallet ENLARGE Expand your course book by adding additional pockets. West Course book is available in a great array of colours and sizes: A2, A3 and A4, crystal, raspberry, turquoise, opaline and black. Essentials for home, office, university and school CONTENTS This course project book is supplied with 10 clear poly plastic sleeves. The A4 and A3 have 20 pockets as standard, and A2 size is supplied with 10 pockets. Expand the book with extra clear display sleeves, which are sold separately