APPROPRIATE SIZE: The size of each blank notebook is 21x14 cm (5.5x8.3 inches), A5 size. You can easily put it in your handbag or school bag, making is convenient for you to carry out, and you can record with it anytime, anywhere.<br> INNER PAGES: Each unruled notebook has 100 blank inner pages. The inner pages are made of 100g paper. It is thicker and the quality is higher, to make your writing and drawing experience better. Blank inner pages will not restrict your writing, and you can create more freely.<br> SUFFICIENT SPACE: Package contains 6 unlined spiral notebooks, 3 with black covers and 3 with brown covers, each notebook has 100 pages of writing space, and 6 notebooks totaling 600 pages of writing space can bring you more creative space, you can record your ideas and sketches in these notebooks.<br> EXCELLENT DESIGN: The design of the spiral is more sufficient to fix the inner pages of the notebook more firmly, and you do not need to worry about the inner pages scattering or falling out. At the same time, when opening this spiral notebook, it can provide you with a flat writing environment, so it is more convenient for you to record anytime, anywhere.<br> WIDE RANGE OF USES: This spiral notebook can be used as your diary to record your daily life, or as your travel diary, to record the interesting things during your travel. This notebook can also be used as your record notebook to record your class notes, study notes, work notes and more. This notebook can also be your drawing book for sketches and drawings.