The Kokuyo Field notebook Sketch Book trystrams is a limited edition with a bright premium color for its paper cloth pasted cover. This compact pocket-sized notebook is easy to carry with you and allows for convenient writing in any location. The thin and stiff cover makes it ideal for writing while standing. The light blue 3mm ruled lines, known as sketches in surveying notebooks, are versatile and perfect for sketches, idea notes, mind maps, business trip records, reading logs, and more. Experience the many uses of this Sketch Book.