It is the Kokuyo Campus Watercolour Notebook, which features 40 sheets of 8 mm ruled paper with 26 lines, and it has spaces for the date and page
Kokuyo Campus B5 Notebook 5-Pack - 6mm Dotted Lines
KOKUYO Watercolor Campus Binder Notebook 8 Holes B5 A5 Smart Ring Binder Study Supplies Japanese Notebook
Kokuyo Smart Ring 25 Binder B5 - Tokyo Pen Shop
1Pcs Kokuyo Watercolor Discourse Series Campus Coil Loose-leaf Notebook Large-capacity 8mm Removable and Replaceable Inner Core
Kokuyo Campus Metal Ring Notebook - B5 - Dotted 8 mm Rule - Blue
KOKUYO Watercolor Campus Binder Notebook 8 Holes B5 A5 Smart Ring Binder Study Supplies Japanese Notebook
Kokuyo Campus Notebook - Semi B5 - Dotted 6 mm Rule - Pack of 5 Palette Tree Colors - Limited Edition
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Kokuyo’s notebooks are loved by students in Japan due to their functionality. These notebooks are carefully designed to allow you to write and draw elegantly. Features The paper is horizontal-lined and has evenly spaced dots in it. A laminated cloth spine has excellent durability against abrasion, bending, and tearing. Each page is glued to the spine, allowing the notebook to open in a wide and flexible way. The cover of this notebook has a space for you to fill in your title and your name.
Kokuyo Campus B5 Notebook 5-Pack - 7mm Dotted Lines
Kokuyo Campus Notebook - Semi B5 - Dotted 6 mm Rule - Pack of 5 Palette Tree Colors - Limited Edition
Kokuyo Campus Loose Leaf Notebook - B5 - Dotted 6 mm Rule - 26 Holes - 50 Sheets - Light Blue