This Protext A4 Exercise Book has 9 mm dotted lines so that you can easily write your words in a shapely and consistent style. The polypropylene cover is durable so you won't have to worry about attaching a book covering. The strong pages resist 'dog-eared' corners which will preserve the condition of your book. This notebook also includes an activity page and a 4 year calendar to keep you up to date. This notebook has a teachers reference of a beetle for quick and easy identification. The durable polypropylene cover makes this notebook long lasting.