These dark blue exercise book covers from HERMA can be used for any exercise books in A5 size. They are perfect for work documents, exercise books, and copybooks. Use them at school, university, or work to protect your materials from damage and bending. Made of sturdy cardboard instead of plastic, HERMA exercise book covers are rugged and durable. The strong material, in proven HERMA quality, is friendlier to the environment than conventional plastic. The covers keep out dirt and moisture and keep the contents well protected. You have 16 different colors to choose from. On the front is a highly visible inscription label for information on the owner or subject. The perfect way to stay tidy and well organized.